80813859

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{3023}}^1$

素因数の和:3119

約数の個数: 32

約数和(自身を含む): 131604480

約数和(自身を除く): 50790621

約数列:

[1, 3, 7, 19, 21, 57, 67, 133, 201, 399, 469, 1273, 1407, 3023, 3819, 8911, 9069, 21161, 26733, 57437, 63483, 172311, 202541, 402059, 607623, 1206177, 1417787, 3848279, 4253361, 11544837, 26937953, 80813859]

約数ペア:

[(1, 80813859), (3, 26937953), (7, 11544837), (19, 4253361), (21, 3848279), (57, 1417787), (67, 1206177), (133, 607623), (201, 402059), (399, 202541), (469, 172311), (1273, 63483), (1407, 57437), (3023, 26733), (3819, 21161), (8911, 9069)]