55280961

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:307

約数の個数: 40

約数和(自身を含む): 85726080

約数和(自身を除く): 30445119

約数列:

[1, 3, 9, 27, 53, 79, 81, 159, 163, 237, 477, 489, 711, 1431, 1467, 2133, 4187, 4293, 4401, 6399, 8639, 12561, 12877, 13203, 25917, 37683, 38631, 77751, 113049, 115893, 233253, 339147, 347679, 682481, 699759, 1043037, 2047443, 6142329, 18426987, 55280961]

約数ペア:

[(1, 55280961), (3, 18426987), (9, 6142329), (27, 2047443), (53, 1043037), (79, 699759), (81, 682481), (159, 347679), (163, 339147), (237, 233253), (477, 115893), (489, 113049), (711, 77751), (1431, 38631), (1467, 37683), (2133, 25917), (4187, 13203), (4293, 12877), (4401, 12561), (6399, 8639)]