81141567

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{241}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 119528640

約数和(自身を除く): 38387073

約数列:

[1, 3, 13, 39, 89, 97, 241, 267, 291, 723, 1157, 1261, 3133, 3471, 3783, 8633, 9399, 21449, 23377, 25899, 64347, 70131, 112229, 278837, 303901, 336687, 836511, 911703, 2080553, 6241659, 27047189, 81141567]

約数ペア:

[(1, 81141567), (3, 27047189), (13, 6241659), (39, 2080553), (89, 911703), (97, 836511), (241, 336687), (267, 303901), (291, 278837), (723, 112229), (1157, 70131), (1261, 64347), (3133, 25899), (3471, 23377), (3783, 21449), (8633, 9399)]