2620275

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 5428224

約数和(自身を除く): 2807949

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 31, 35, 49, 69, 75, 93, 105, 115, 147, 155, 161, 175, 217, 245, 345, 465, 483, 525, 575, 651, 713, 735, 775, 805, 1085, 1127, 1225, 1519, 1725, 2139, 2325, 2415, 3255, 3381, 3565, 3675, 4025, 4557, 4991, 5425, 5635, 7595, 10695, 12075, 14973, 16275, 16905, 17825, 22785, 24955, 28175, 34937, 37975, 53475, 74865, 84525, 104811, 113925, 124775, 174685, 374325, 524055, 873425, 2620275]

約数ペア:

[(1, 2620275), (3, 873425), (5, 524055), (7, 374325), (15, 174685), (21, 124775), (23, 113925), (25, 104811), (31, 84525), (35, 74865), (49, 53475), (69, 37975), (75, 34937), (93, 28175), (105, 24955), (115, 22785), (147, 17825), (155, 16905), (161, 16275), (175, 14973), (217, 12075), (245, 10695), (345, 7595), (465, 5635), (483, 5425), (525, 4991), (575, 4557), (651, 4025), (713, 3675), (735, 3565), (775, 3381), (805, 3255), (1085, 2415), (1127, 2325), (1225, 2139), (1519, 1725)]