205129827

素因数分解:

$3^4\times 7^2\times {\mathrm{51683}}^1$

素因数の和:51709

約数の個数: 30

約数和(自身を含む): 356464548

約数和(自身を除く): 151334721

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 51683, 155049, 361781, 465147, 1085343, 1395441, 2532467, 3256029, 4186323, 7597401, 9768087, 22792203, 29304261, 68376609, 205129827]

約数ペア:

[(1, 205129827), (3, 68376609), (7, 29304261), (9, 22792203), (21, 9768087), (27, 7597401), (49, 4186323), (63, 3256029), (81, 2532467), (147, 1395441), (189, 1085343), (441, 465147), (567, 361781), (1323, 155049), (3969, 51683)]