142177575

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 245520000

約数和(自身を除く): 103342425

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 131, 145, 393, 435, 499, 655, 725, 1497, 1965, 2175, 2495, 3275, 3799, 7485, 9825, 11397, 12475, 14471, 18995, 37425, 43413, 56985, 65369, 72355, 94975, 196107, 217065, 284925, 326845, 361775, 980535, 1085325, 1634225, 1895701, 4902675, 5687103, 9478505, 28435515, 47392525, 142177575]

約数ペア:

[(1, 142177575), (3, 47392525), (5, 28435515), (15, 9478505), (25, 5687103), (29, 4902675), (75, 1895701), (87, 1634225), (131, 1085325), (145, 980535), (393, 361775), (435, 326845), (499, 284925), (655, 217065), (725, 196107), (1497, 94975), (1965, 72355), (2175, 65369), (2495, 56985), (3275, 43413), (3799, 37425), (7485, 18995), (9825, 14471), (11397, 12475)]