131101821

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{479}}^1$

素因数の和:631

約数の個数: 40

約数和(自身を含む): 204441600

約数和(自身を除く): 73339779

約数列:

[1, 3, 9, 27, 31, 81, 93, 109, 279, 327, 479, 837, 981, 1437, 2511, 2943, 3379, 4311, 8829, 10137, 12933, 14849, 30411, 38799, 44547, 52211, 91233, 133641, 156633, 273699, 400923, 469899, 1202769, 1409697, 1618541, 4229091, 4855623, 14566869, 43700607, 131101821]

約数ペア:

[(1, 131101821), (3, 43700607), (9, 14566869), (27, 4855623), (31, 4229091), (81, 1618541), (93, 1409697), (109, 1202769), (279, 469899), (327, 400923), (479, 273699), (837, 156633), (981, 133641), (1437, 91233), (2511, 52211), (2943, 44547), (3379, 38799), (4311, 30411), (8829, 14849), (10137, 12933)]