2788725

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{103}}^1$

素因数の和:154

約数の個数: 36

約数和(自身を含む): 4913376

約数和(自身を除く): 2124651

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 103, 285, 309, 361, 475, 515, 1083, 1425, 1545, 1805, 1957, 2575, 5415, 5871, 7725, 9025, 9785, 27075, 29355, 37183, 48925, 111549, 146775, 185915, 557745, 929575, 2788725]

約数ペア:

[(1, 2788725), (3, 929575), (5, 557745), (15, 185915), (19, 146775), (25, 111549), (57, 48925), (75, 37183), (95, 29355), (103, 27075), (285, 9785), (309, 9025), (361, 7725), (475, 5871), (515, 5415), (1083, 2575), (1425, 1957), (1545, 1805)]