261635703

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{139987}}^1$

素因数の和:140086

約数の個数: 16

約数和(自身を含む): 403165440

約数和(自身を除く): 141529737

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 139987, 419961, 979909, 2939727, 12458843, 37376529, 87211901, 261635703]

約数ペア:

[(1, 261635703), (3, 87211901), (7, 37376529), (21, 12458843), (89, 2939727), (267, 979909), (623, 419961), (1869, 139987)]