261341679

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{8009}}^1$

素因数の和:8234

約数の個数: 16

約数和(自身を含む): 355644000

約数和(自身を除く): 94302321

約数列:

[1, 3, 73, 149, 219, 447, 8009, 10877, 24027, 32631, 584657, 1193341, 1753971, 3580023, 87113893, 261341679]

約数ペア:

[(1, 261341679), (3, 87113893), (73, 3580023), (149, 1753971), (219, 1193341), (447, 584657), (8009, 32631), (10877, 24027)]