28448775

素因数分解:

$3^2\times 5^2\times {\mathrm{227}}^1\times {\mathrm{557}}^1$

素因数の和:800

約数の個数: 36

約数和(自身を含む): 51271272

約数和(自身を除く): 22822497

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 227, 557, 681, 1135, 1671, 2043, 2785, 3405, 5013, 5675, 8355, 10215, 13925, 17025, 25065, 41775, 51075, 125325, 126439, 379317, 632195, 1137951, 1896585, 3160975, 5689755, 9482925, 28448775]

約数ペア:

[(1, 28448775), (3, 9482925), (5, 5689755), (9, 3160975), (15, 1896585), (25, 1137951), (45, 632195), (75, 379317), (225, 126439), (227, 125325), (557, 51075), (681, 41775), (1135, 25065), (1671, 17025), (2043, 13925), (2785, 10215), (3405, 8355), (5013, 5675)]