680979453

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{28621}}^1$

素因数の和:28745

約数の個数: 32

約数和(自身を含む): 1143048192

約数和(自身を除く): 462068739

約数列:

[1, 3, 7, 11, 21, 33, 77, 103, 231, 309, 721, 1133, 2163, 3399, 7931, 23793, 28621, 85863, 200347, 314831, 601041, 944493, 2203817, 2947963, 6611451, 8843889, 20635741, 32427593, 61907223, 97282779, 226993151, 680979453]

約数ペア:

[(1, 680979453), (3, 226993151), (7, 97282779), (11, 61907223), (21, 32427593), (33, 20635741), (77, 8843889), (103, 6611451), (231, 2947963), (309, 2203817), (721, 944493), (1133, 601041), (2163, 314831), (3399, 200347), (7931, 85863), (23793, 28621)]