79971759

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{18397}}^1$

素因数の和:18436

約数の個数: 32

約数和(自身を含む): 141296640

約数和(自身を除く): 61324881

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 18397, 55191, 128779, 165573, 386337, 423131, 496719, 1159011, 1269393, 2961917, 3477033, 3808179, 8885751, 11424537, 26657253, 79971759]

約数ペア:

[(1, 79971759), (3, 26657253), (7, 11424537), (9, 8885751), (21, 3808179), (23, 3477033), (27, 2961917), (63, 1269393), (69, 1159011), (161, 496719), (189, 423131), (207, 386337), (483, 165573), (621, 128779), (1449, 55191), (4347, 18397)]