39459375

素因数分解:

$3^2\times 5^5\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 75557664

約数和(自身を除く): 36098289

約数列:

[1, 3, 5, 9, 15, 23, 25, 45, 61, 69, 75, 115, 125, 183, 207, 225, 305, 345, 375, 549, 575, 625, 915, 1035, 1125, 1403, 1525, 1725, 1875, 2745, 2875, 3125, 4209, 4575, 5175, 5625, 7015, 7625, 8625, 9375, 12627, 13725, 14375, 21045, 22875, 25875, 28125, 35075, 38125, 43125, 63135, 68625, 71875, 105225, 114375, 129375, 175375, 190625, 215625, 315675, 343125, 526125, 571875, 646875, 876875, 1578375, 1715625, 2630625, 4384375, 7891875, 13153125, 39459375]

約数ペア:

[(1, 39459375), (3, 13153125), (5, 7891875), (9, 4384375), (15, 2630625), (23, 1715625), (25, 1578375), (45, 876875), (61, 646875), (69, 571875), (75, 526125), (115, 343125), (125, 315675), (183, 215625), (207, 190625), (225, 175375), (305, 129375), (345, 114375), (375, 105225), (549, 71875), (575, 68625), (625, 63135), (915, 43125), (1035, 38125), (1125, 35075), (1403, 28125), (1525, 25875), (1725, 22875), (1875, 21045), (2745, 14375), (2875, 13725), (3125, 12627), (4209, 9375), (4575, 8625), (5175, 7625), (5625, 7015)]