1260721556927

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1\times {\mathrm{42451}}^1$

素因数の和:43119

約数の個数: 32

約数和(自身を含む): 1477133981184

約数和(自身を除く): 216412424257

約数列:

[1, 7, 61, 157, 427, 443, 1099, 3101, 9577, 27023, 42451, 67039, 69551, 189161, 297157, 486857, 2589511, 4242611, 6664807, 18126577, 18805793, 29698277, 46653649, 131640551, 406553227, 1147153373, 2845872589, 2952509501, 8030073611, 20667566507, 180103079561, 1260721556927]

約数ペア:

[(1, 1260721556927), (7, 180103079561), (61, 20667566507), (157, 8030073611), (427, 2952509501), (443, 2845872589), (1099, 1147153373), (3101, 406553227), (9577, 131640551), (27023, 46653649), (42451, 29698277), (67039, 18805793), (69551, 18126577), (189161, 6664807), (297157, 4242611), (486857, 2589511)]