20171906847

素因数分解:

$3^4\times {\mathrm{79}}^1\times {\mathrm{1471}}^1\times {\mathrm{2143}}^1$

素因数の和:3705

約数の個数: 40

約数和(自身を含む): 30549770240

約数和(自身を除く): 10377863393

約数列:

[1, 3, 9, 27, 79, 81, 237, 711, 1471, 2133, 2143, 4413, 6399, 6429, 13239, 19287, 39717, 57861, 116209, 119151, 169297, 173583, 348627, 507891, 1045881, 1523673, 3137643, 3152353, 4571019, 9412929, 9457059, 13713057, 28371177, 85113531, 249035887, 255340593, 747107661, 2241322983, 6723968949, 20171906847]

約数ペア:

[(1, 20171906847), (3, 6723968949), (9, 2241322983), (27, 747107661), (79, 255340593), (81, 249035887), (237, 85113531), (711, 28371177), (1471, 13713057), (2133, 9457059), (2143, 9412929), (4413, 4571019), (6399, 3152353), (6429, 3137643), (13239, 1523673), (19287, 1045881), (39717, 507891), (57861, 348627), (116209, 173583), (119151, 169297)]