11975175

素因数分解:

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

素因数の和:289

約数の個数: 48

約数和(自身を含む): 22334880

約数和(自身を除く): 10359705

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 113, 135, 157, 225, 339, 471, 565, 675, 785, 1017, 1413, 1695, 2355, 2825, 3051, 3925, 4239, 5085, 7065, 8475, 11775, 15255, 17741, 21195, 25425, 35325, 53223, 76275, 88705, 105975, 159669, 266115, 443525, 479007, 798345, 1330575, 2395035, 3991725, 11975175]

約数ペア:

[(1, 11975175), (3, 3991725), (5, 2395035), (9, 1330575), (15, 798345), (25, 479007), (27, 443525), (45, 266115), (75, 159669), (113, 105975), (135, 88705), (157, 76275), (225, 53223), (339, 35325), (471, 25425), (565, 21195), (675, 17741), (785, 15255), (1017, 11775), (1413, 8475), (1695, 7065), (2355, 5085), (2825, 4239), (3051, 3925)]