2920281

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{563}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 5053440

約数和(自身を除く): 2133159

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 563, 741, 1689, 1729, 3941, 5187, 7319, 10697, 11823, 21957, 32091, 51233, 74879, 139061, 153699, 224637, 417183, 973427, 2920281]

約数ペア:

[(1, 2920281), (3, 973427), (7, 417183), (13, 224637), (19, 153699), (21, 139061), (39, 74879), (57, 51233), (91, 32091), (133, 21957), (247, 11823), (273, 10697), (399, 7319), (563, 5187), (741, 3941), (1689, 1729)]