489879

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 24

約数和(自身を含む): 786240

約数和(自身を除く): 296361

約数列:

[1, 3, 9, 13, 39, 53, 79, 117, 159, 237, 477, 689, 711, 1027, 2067, 3081, 4187, 6201, 9243, 12561, 37683, 54431, 163293, 489879]

約数ペア:

[(1, 489879), (3, 163293), (9, 54431), (13, 37683), (39, 12561), (53, 9243), (79, 6201), (117, 4187), (159, 3081), (237, 2067), (477, 1027), (689, 711)]