25013745

素因数分解:

$3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 47308800

約数和(自身を除く): 22295055

約数列:

[1, 3, 5, 9, 15, 27, 31, 43, 45, 93, 129, 135, 139, 155, 215, 279, 387, 417, 465, 645, 695, 837, 1161, 1251, 1333, 1395, 1935, 2085, 3753, 3999, 4185, 4309, 5805, 5977, 6255, 6665, 11997, 12927, 17931, 18765, 19995, 21545, 29885, 35991, 38781, 53793, 59985, 64635, 89655, 116343, 161379, 179955, 185287, 193905, 268965, 555861, 581715, 806895, 926435, 1667583, 2779305, 5002749, 8337915, 25013745]

約数ペア:

[(1, 25013745), (3, 8337915), (5, 5002749), (9, 2779305), (15, 1667583), (27, 926435), (31, 806895), (43, 581715), (45, 555861), (93, 268965), (129, 193905), (135, 185287), (139, 179955), (155, 161379), (215, 116343), (279, 89655), (387, 64635), (417, 59985), (465, 53793), (645, 38781), (695, 35991), (837, 29885), (1161, 21545), (1251, 19995), (1333, 18765), (1395, 17931), (1935, 12927), (2085, 11997), (3753, 6665), (3999, 6255), (4185, 5977), (4309, 5805)]