259960323

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{2207}}^1$

素因数の和:2367

約数の個数: 32

約数和(自身を含む): 406978560

約数和(自身を除く): 147018237

約数列:

[1, 3, 7, 21, 71, 79, 213, 237, 497, 553, 1491, 1659, 2207, 5609, 6621, 15449, 16827, 39263, 46347, 117789, 156697, 174353, 470091, 523059, 1096879, 1220471, 3290637, 3661413, 12379063, 37137189, 86653441, 259960323]

約数ペア:

[(1, 259960323), (3, 86653441), (7, 37137189), (21, 12379063), (71, 3661413), (79, 3290637), (213, 1220471), (237, 1096879), (497, 523059), (553, 470091), (1491, 174353), (1659, 156697), (2207, 117789), (5609, 46347), (6621, 39263), (15449, 16827)]