255917025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:496

約数の個数: 144

約数和(自身を含む): 584962560

約数和(自身を除く): 329045535

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 29, 35, 39, 45, 63, 65, 75, 87, 91, 105, 117, 145, 175, 195, 203, 225, 261, 273, 315, 325, 377, 431, 435, 455, 525, 585, 609, 725, 819, 975, 1015, 1131, 1293, 1305, 1365, 1575, 1827, 1885, 2155, 2175, 2275, 2639, 2925, 3017, 3045, 3393, 3879, 4095, 5075, 5603, 5655, 6465, 6525, 6825, 7917, 9051, 9135, 9425, 10775, 12499, 13195, 15085, 15225, 16809, 16965, 19395, 20475, 23751, 27153, 28015, 28275, 32325, 37497, 39221, 39585, 45255, 45675, 50427, 62495, 65975, 75425, 84045, 84825, 87493, 96975, 112491, 117663, 118755, 135765, 140075, 162487, 187485, 196105, 197925, 226275, 252135, 262479, 312475, 352989, 420225, 437465, 487461, 562455, 588315, 593775, 678825, 787437, 812435, 937425, 980525, 1137409, 1260675, 1312395, 1462383, 1764945, 2187325, 2437305, 2812275, 2941575, 3412227, 3937185, 4062175, 5687045, 6561975, 7311915, 8824725, 10236681, 12186525, 17061135, 19685925, 28435225, 36559575, 51183405, 85305675, 255917025]

約数ペア:

[(1, 255917025), (3, 85305675), (5, 51183405), (7, 36559575), (9, 28435225), (13, 19685925), (15, 17061135), (21, 12186525), (25, 10236681), (29, 8824725), (35, 7311915), (39, 6561975), (45, 5687045), (63, 4062175), (65, 3937185), (75, 3412227), (87, 2941575), (91, 2812275), (105, 2437305), (117, 2187325), (145, 1764945), (175, 1462383), (195, 1312395), (203, 1260675), (225, 1137409), (261, 980525), (273, 937425), (315, 812435), (325, 787437), (377, 678825), (431, 593775), (435, 588315), (455, 562455), (525, 487461), (585, 437465), (609, 420225), (725, 352989), (819, 312475), (975, 262479), (1015, 252135), (1131, 226275), (1293, 197925), (1305, 196105), (1365, 187485), (1575, 162487), (1827, 140075), (1885, 135765), (2155, 118755), (2175, 117663), (2275, 112491), (2639, 96975), (2925, 87493), (3017, 84825), (3045, 84045), (3393, 75425), (3879, 65975), (4095, 62495), (5075, 50427), (5603, 45675), (5655, 45255), (6465, 39585), (6525, 39221), (6825, 37497), (7917, 32325), (9051, 28275), (9135, 28015), (9425, 27153), (10775, 23751), (12499, 20475), (13195, 19395), (15085, 16965), (15225, 16809)]