71273925

素因数分解:

$3^4\times 5^2\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:660

約数の個数: 60

約数和(自身を含む): 134420836

約数和(自身を除く): 63146911

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 81, 135, 183, 225, 305, 405, 549, 577, 675, 915, 1525, 1647, 1731, 2025, 2745, 2885, 4575, 4941, 5193, 8235, 8655, 13725, 14425, 15579, 24705, 25965, 35197, 41175, 43275, 46737, 77895, 105591, 123525, 129825, 175985, 233685, 316773, 389475, 527955, 879925, 950319, 1168425, 1583865, 2639775, 2850957, 4751595, 7919325, 14254785, 23757975, 71273925]

約数ペア:

[(1, 71273925), (3, 23757975), (5, 14254785), (9, 7919325), (15, 4751595), (25, 2850957), (27, 2639775), (45, 1583865), (61, 1168425), (75, 950319), (81, 879925), (135, 527955), (183, 389475), (225, 316773), (305, 233685), (405, 175985), (549, 129825), (577, 123525), (675, 105591), (915, 77895), (1525, 46737), (1647, 43275), (1731, 41175), (2025, 35197), (2745, 25965), (2885, 24705), (4575, 15579), (4941, 14425), (5193, 13725), (8235, 8655)]