56752731

素因数分解:

$3^4\times 7^2\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 60

約数和(自身を含む): 100420320

約数和(自身を除く): 43667589

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 79, 81, 147, 181, 189, 237, 441, 543, 553, 567, 711, 1267, 1323, 1629, 1659, 2133, 3801, 3871, 3969, 4887, 4977, 6399, 8869, 11403, 11613, 14299, 14661, 14931, 26607, 34209, 34839, 42897, 44793, 79821, 100093, 102627, 104517, 128691, 239463, 300279, 313551, 386073, 700651, 718389, 900837, 1158219, 2101953, 2702511, 6305859, 8107533, 18917577, 56752731]

約数ペア:

[(1, 56752731), (3, 18917577), (7, 8107533), (9, 6305859), (21, 2702511), (27, 2101953), (49, 1158219), (63, 900837), (79, 718389), (81, 700651), (147, 386073), (181, 313551), (189, 300279), (237, 239463), (441, 128691), (543, 104517), (553, 102627), (567, 100093), (711, 79821), (1267, 44793), (1323, 42897), (1629, 34839), (1659, 34209), (2133, 26607), (3801, 14931), (3871, 14661), (3969, 14299), (4887, 11613), (4977, 11403), (6399, 8869)]