81900540261

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{2803}}^1\times {\mathrm{8389}}^1$

素因数の和:11247

約数の個数: 40

約数和(自身を含む): 125250081440

約数和(自身を除く): 43349541179

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 2803, 3483, 8389, 8409, 25167, 25227, 75501, 75681, 120529, 226503, 227043, 360727, 361587, 679509, 1082181, 1084761, 3246543, 3254283, 9739629, 9762849, 23514367, 29218887, 70543101, 211629303, 634887909, 1011117781, 1904663727, 3033353343, 9100060029, 27300180087, 81900540261]

約数ペア:

[(1, 81900540261), (3, 27300180087), (9, 9100060029), (27, 3033353343), (43, 1904663727), (81, 1011117781), (129, 634887909), (387, 211629303), (1161, 70543101), (2803, 29218887), (3483, 23514367), (8389, 9762849), (8409, 9739629), (25167, 3254283), (25227, 3246543), (75501, 1084761), (75681, 1082181), (120529, 679509), (226503, 361587), (227043, 360727)]