128517417

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{13691}}^1$

素因数の和:13853

約数の個数: 24

約数和(自身を含む): 213595200

約数和(自身を除く): 85077783

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 9387, 13691, 41073, 95837, 123219, 287511, 862533, 2039959, 6119877, 14279713, 18359631, 42839139, 128517417]

約数ペア:

[(1, 128517417), (3, 42839139), (7, 18359631), (9, 14279713), (21, 6119877), (63, 2039959), (149, 862533), (447, 287511), (1043, 123219), (1341, 95837), (3129, 41073), (9387, 13691)]