28898625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 56010240

約数和(自身を除く): 27111615

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 101, 105, 109, 125, 175, 303, 327, 375, 505, 525, 545, 707, 763, 875, 1515, 1635, 2121, 2289, 2525, 2625, 2725, 3535, 3815, 7575, 8175, 10605, 11009, 11445, 12625, 13625, 17675, 19075, 33027, 37875, 40875, 53025, 55045, 57225, 77063, 88375, 95375, 165135, 231189, 265125, 275225, 286125, 385315, 825675, 1155945, 1376125, 1926575, 4128375, 5779725, 9632875, 28898625]

約数ペア:

[(1, 28898625), (3, 9632875), (5, 5779725), (7, 4128375), (15, 1926575), (21, 1376125), (25, 1155945), (35, 825675), (75, 385315), (101, 286125), (105, 275225), (109, 265125), (125, 231189), (175, 165135), (303, 95375), (327, 88375), (375, 77063), (505, 57225), (525, 55045), (545, 53025), (707, 40875), (763, 37875), (875, 33027), (1515, 19075), (1635, 17675), (2121, 13625), (2289, 12625), (2525, 11445), (2625, 11009), (2725, 10605), (3535, 8175), (3815, 7575)]