28735911

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{467}}^1$

素因数の和:572

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 15742809

約数列:

[1, 3, 9, 27, 43, 53, 129, 159, 387, 467, 477, 1161, 1401, 1431, 2279, 4203, 6837, 12609, 20081, 20511, 24751, 60243, 61533, 74253, 180729, 222759, 542187, 668277, 1064293, 3192879, 9578637, 28735911]

約数ペア:

[(1, 28735911), (3, 9578637), (9, 3192879), (27, 1064293), (43, 668277), (53, 542187), (129, 222759), (159, 180729), (387, 74253), (467, 61533), (477, 60243), (1161, 24751), (1401, 20511), (1431, 20081), (2279, 12609), (4203, 6837)]