28723653

素因数分解:

$3^4\times 7^2\times {\mathrm{7237}}^1$

素因数の和:7263

約数の個数: 30

約数和(自身を含む): 49920486

約数和(自身を除く): 21196833

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 7237, 21711, 50659, 65133, 151977, 195399, 354613, 455931, 586197, 1063839, 1367793, 3191517, 4103379, 9574551, 28723653]

約数ペア:

[(1, 28723653), (3, 9574551), (7, 4103379), (9, 3191517), (21, 1367793), (27, 1063839), (49, 586197), (63, 455931), (81, 354613), (147, 195399), (189, 151977), (441, 65133), (567, 50659), (1323, 21711), (3969, 7237)]