3991725

素因数分解:

$3^2\times 5^2\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 7258836

約数和(自身を除く): 3267111

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 113, 157, 225, 339, 471, 565, 785, 1017, 1413, 1695, 2355, 2825, 3925, 5085, 7065, 8475, 11775, 17741, 25425, 35325, 53223, 88705, 159669, 266115, 443525, 798345, 1330575, 3991725]

約数ペア:

[(1, 3991725), (3, 1330575), (5, 798345), (9, 443525), (15, 266115), (25, 159669), (45, 88705), (75, 53223), (113, 35325), (157, 25425), (225, 17741), (339, 11775), (471, 8475), (565, 7065), (785, 5085), (1017, 3925), (1413, 2825), (1695, 2355)]