259291503

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{3299}}^1$

素因数の和:3420

約数の個数: 32

約数和(自身を含む): 399168000

約数和(自身を除く): 139876497

約数列:

[1, 3, 9, 27, 41, 71, 123, 213, 369, 639, 1107, 1917, 2911, 3299, 8733, 9897, 26199, 29691, 78597, 89073, 135259, 234229, 405777, 702687, 1217331, 2108061, 3651993, 6324183, 9603389, 28810167, 86430501, 259291503]

約数ペア:

[(1, 259291503), (3, 86430501), (9, 28810167), (27, 9603389), (41, 6324183), (71, 3651993), (123, 2108061), (213, 1217331), (369, 702687), (639, 405777), (1107, 234229), (1917, 135259), (2911, 89073), (3299, 78597), (8733, 29691), (9897, 26199)]