28865775

素因数分解:

$3^1\times 5^2\times {\mathrm{241}}^1\times {\mathrm{1597}}^1$

素因数の和:1851

約数の個数: 24

約数和(自身を含む): 47952784

約数和(自身を除く): 19087009

約数列:

[1, 3, 5, 15, 25, 75, 241, 723, 1205, 1597, 3615, 4791, 6025, 7985, 18075, 23955, 39925, 119775, 384877, 1154631, 1924385, 5773155, 9621925, 28865775]

約数ペア:

[(1, 28865775), (3, 9621925), (5, 5773155), (15, 1924385), (25, 1154631), (75, 384877), (241, 119775), (723, 39925), (1205, 23955), (1597, 18075), (3615, 7985), (4791, 6025)]