25734375

素因数分解:

$3^3\times 5^6\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 56

約数和(自身を含む): 48436880

約数和(自身を除く): 22702505

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 125, 135, 183, 225, 305, 375, 549, 625, 675, 915, 1125, 1525, 1647, 1875, 2745, 3125, 3375, 4575, 5625, 7625, 8235, 9375, 13725, 15625, 16875, 22875, 28125, 38125, 41175, 46875, 68625, 84375, 114375, 140625, 190625, 205875, 343125, 421875, 571875, 953125, 1029375, 1715625, 2859375, 5146875, 8578125, 25734375]

約数ペア:

[(1, 25734375), (3, 8578125), (5, 5146875), (9, 2859375), (15, 1715625), (25, 1029375), (27, 953125), (45, 571875), (61, 421875), (75, 343125), (125, 205875), (135, 190625), (183, 140625), (225, 114375), (305, 84375), (375, 68625), (549, 46875), (625, 41175), (675, 38125), (915, 28125), (1125, 22875), (1525, 16875), (1647, 15625), (1875, 13725), (2745, 9375), (3125, 8235), (3375, 7625), (4575, 5625)]