7156788891

素因数分解:

$3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{953}}^1\times {\mathrm{1291}}^1$

素因数の和:2531

約数の個数: 32

約数和(自身を含む): 10964924928

約数和(自身を除く): 3808136037

約数列:

[1, 3, 7, 21, 277, 831, 953, 1291, 1939, 2859, 3873, 5817, 6671, 9037, 20013, 27111, 263981, 357607, 791943, 1072821, 1230323, 1847867, 2503249, 3690969, 5543601, 7509747, 8612261, 25836783, 340799471, 1022398413, 2385596297, 7156788891]

約数ペア:

[(1, 7156788891), (3, 2385596297), (7, 1022398413), (21, 340799471), (277, 25836783), (831, 8612261), (953, 7509747), (1291, 5543601), (1939, 3690969), (2859, 2503249), (3873, 1847867), (5817, 1230323), (6671, 1072821), (9037, 791943), (20013, 357607), (27111, 263981)]