68284167

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 106176000

約数和(自身を除く): 37891833

約数列:

[1, 3, 7, 21, 139, 149, 157, 417, 447, 471, 973, 1043, 1099, 2919, 3129, 3297, 20711, 21823, 23393, 62133, 65469, 70179, 144977, 152761, 163751, 434931, 458283, 491253, 3251627, 9754881, 22761389, 68284167]

約数ペア:

[(1, 68284167), (3, 22761389), (7, 9754881), (21, 3251627), (139, 491253), (149, 458283), (157, 434931), (417, 163751), (447, 152761), (471, 144977), (973, 70179), (1043, 65469), (1099, 62133), (2919, 23393), (3129, 21823), (3297, 20711)]