18915528075

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{2711}}^1\times {\mathrm{3001}}^1$

素因数の和:5756

約数の個数: 48

約数和(自身を含む): 32305170432

約数和(自身を除く): 13389642357

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 2711, 3001, 8133, 9003, 13555, 15005, 40665, 45015, 67775, 75025, 84041, 93031, 203325, 225075, 252123, 279093, 420205, 465155, 1260615, 1395465, 2101025, 2325775, 6303075, 6977325, 8135711, 24407133, 40678555, 122035665, 203392775, 252207041, 610178325, 756621123, 1261035205, 3783105615, 6305176025, 18915528075]

約数ペア:

[(1, 18915528075), (3, 6305176025), (5, 3783105615), (15, 1261035205), (25, 756621123), (31, 610178325), (75, 252207041), (93, 203392775), (155, 122035665), (465, 40678555), (775, 24407133), (2325, 8135711), (2711, 6977325), (3001, 6303075), (8133, 2325775), (9003, 2101025), (13555, 1395465), (15005, 1260615), (40665, 465155), (45015, 420205), (67775, 279093), (75025, 252123), (84041, 225075), (93031, 203325)]