71721657

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{401}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 126427392

約数和(自身を除く): 54705735

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 167, 357, 401, 501, 1071, 1169, 1203, 1503, 2807, 2839, 3507, 3609, 6817, 8421, 8517, 10521, 19873, 20451, 25263, 25551, 47719, 59619, 61353, 66967, 143157, 178857, 200901, 429471, 468769, 602703, 1138439, 1406307, 3415317, 4218921, 7969073, 10245951, 23907219, 71721657]

約数ペア:

[(1, 71721657), (3, 23907219), (7, 10245951), (9, 7969073), (17, 4218921), (21, 3415317), (51, 1406307), (63, 1138439), (119, 602703), (153, 468769), (167, 429471), (357, 200901), (401, 178857), (501, 143157), (1071, 66967), (1169, 61353), (1203, 59619), (1503, 47719), (2807, 25551), (2839, 25263), (3507, 20451), (3609, 19873), (6817, 10521), (8421, 8517)]