18581567481

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{52813}}^1$

素因数の和:53062

約数の個数: 32

約数和(自身を含む): 28037896320

約数和(自身を除く): 9456328839

約数列:

[1, 3, 9, 27, 83, 157, 249, 471, 747, 1413, 2241, 4239, 13031, 39093, 52813, 117279, 158439, 351837, 475317, 1425951, 4383479, 8291641, 13150437, 24874923, 39451311, 74624769, 118353933, 223874307, 688206203, 2064618609, 6193855827, 18581567481]

約数ペア:

[(1, 18581567481), (3, 6193855827), (9, 2064618609), (27, 688206203), (83, 223874307), (157, 118353933), (249, 74624769), (471, 39451311), (747, 24874923), (1413, 13150437), (2241, 8291641), (4239, 4383479), (13031, 1425951), (39093, 475317), (52813, 351837), (117279, 158439)]