261137520009

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{21377}}^1\times {\mathrm{28879}}^1$

素因数の和:50309

約数の個数: 24

約数和(自身を含む): 385255503360

約数和(自身を除く): 124117983351

約数列:

[1, 3, 9, 47, 141, 423, 21377, 28879, 64131, 86637, 192393, 259911, 1004719, 1357313, 3014157, 4071939, 9042471, 12215817, 617346383, 1852039149, 5556117447, 29015280001, 87045840003, 261137520009]

約数ペア:

[(1, 261137520009), (3, 87045840003), (9, 29015280001), (47, 5556117447), (141, 1852039149), (423, 617346383), (21377, 12215817), (28879, 9042471), (64131, 4071939), (86637, 3014157), (192393, 1357313), (259911, 1004719)]