219793275

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{461}}^1$

素因数の和:653

約数の個数: 72

約数和(自身を含む): 427483056

約数和(自身を除く): 207689781

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 163, 195, 225, 325, 461, 489, 585, 815, 975, 1383, 1467, 2119, 2305, 2445, 2925, 4075, 4149, 5993, 6357, 6915, 7335, 10595, 11525, 12225, 17979, 19071, 20745, 29965, 31785, 34575, 36675, 52975, 53937, 75143, 89895, 95355, 103725, 149825, 158925, 225429, 269685, 375715, 449475, 476775, 676287, 976859, 1127145, 1348425, 1878575, 2930577, 3381435, 4884295, 5635725, 8791731, 14652885, 16907175, 24421475, 43958655, 73264425, 219793275]

約数ペア:

[(1, 219793275), (3, 73264425), (5, 43958655), (9, 24421475), (13, 16907175), (15, 14652885), (25, 8791731), (39, 5635725), (45, 4884295), (65, 3381435), (75, 2930577), (117, 1878575), (163, 1348425), (195, 1127145), (225, 976859), (325, 676287), (461, 476775), (489, 449475), (585, 375715), (815, 269685), (975, 225429), (1383, 158925), (1467, 149825), (2119, 103725), (2305, 95355), (2445, 89895), (2925, 75143), (4075, 53937), (4149, 52975), (5993, 36675), (6357, 34575), (6915, 31785), (7335, 29965), (10595, 20745), (11525, 19071), (12225, 17979)]