140315139

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 212352000

約数和(自身を除く): 72036861

約数列:

[1, 3, 9, 27, 79, 157, 237, 419, 471, 711, 1257, 1413, 2133, 3771, 4239, 11313, 12403, 33101, 37209, 65783, 99303, 111627, 197349, 297909, 334881, 592047, 893727, 1776141, 5196857, 15590571, 46771713, 140315139]

約数ペア:

[(1, 140315139), (3, 46771713), (9, 15590571), (27, 5196857), (79, 1776141), (157, 893727), (237, 592047), (419, 334881), (471, 297909), (711, 197349), (1257, 111627), (1413, 99303), (2133, 65783), (3771, 37209), (4239, 33101), (11313, 12403)]