156940085127

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{640993}}^1$

素因数の和:641223

約数の個数: 32

約数和(自身を含む): 243680279040

約数和(自身を除く): 86740193913

約数列:

[1, 3, 7, 21, 89, 131, 267, 393, 623, 917, 1869, 2751, 11659, 34977, 81613, 244839, 640993, 1922979, 4486951, 13460853, 57048377, 83970083, 171145131, 251910249, 399338639, 587790581, 1198015917, 1763371743, 7473337387, 22420012161, 52313361709, 156940085127]

約数ペア:

[(1, 156940085127), (3, 52313361709), (7, 22420012161), (21, 7473337387), (89, 1763371743), (131, 1198015917), (267, 587790581), (393, 399338639), (623, 251910249), (917, 171145131), (1869, 83970083), (2751, 57048377), (11659, 13460853), (34977, 4486951), (81613, 1922979), (244839, 640993)]