77203125

素因数分解:

$3^4\times 5^6\times {\mathrm{61}}^1$

素因数の和:103

約数の個数: 70

約数和(自身を含む): 146521562

約数和(自身を除く): 69318437

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 75, 81, 125, 135, 183, 225, 305, 375, 405, 549, 625, 675, 915, 1125, 1525, 1647, 1875, 2025, 2745, 3125, 3375, 4575, 4941, 5625, 7625, 8235, 9375, 10125, 13725, 15625, 16875, 22875, 24705, 28125, 38125, 41175, 46875, 50625, 68625, 84375, 114375, 123525, 140625, 190625, 205875, 253125, 343125, 421875, 571875, 617625, 953125, 1029375, 1265625, 1715625, 2859375, 3088125, 5146875, 8578125, 15440625, 25734375, 77203125]

約数ペア:

[(1, 77203125), (3, 25734375), (5, 15440625), (9, 8578125), (15, 5146875), (25, 3088125), (27, 2859375), (45, 1715625), (61, 1265625), (75, 1029375), (81, 953125), (125, 617625), (135, 571875), (183, 421875), (225, 343125), (305, 253125), (375, 205875), (405, 190625), (549, 140625), (625, 123525), (675, 114375), (915, 84375), (1125, 68625), (1525, 50625), (1647, 46875), (1875, 41175), (2025, 38125), (2745, 28125), (3125, 24705), (3375, 22875), (4575, 16875), (4941, 15625), (5625, 13725), (7625, 10125), (8235, 9375)]