216331817

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:929

約数の個数: 24

約数和(自身を含む): 251278272

約数和(自身を除く): 34946455

約数列:

[1, 13, 17, 71, 221, 289, 811, 923, 1207, 3757, 10543, 13787, 15691, 20519, 57581, 179231, 234379, 266747, 748553, 978877, 3046927, 12725401, 16640909, 216331817]

約数ペア:

[(1, 216331817), (13, 16640909), (17, 12725401), (71, 3046927), (221, 978877), (289, 748553), (811, 266747), (923, 234379), (1207, 179231), (3757, 57581), (10543, 20519), (13787, 15691)]