643145349

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{5717}}^1$

素因数の和:6225

約数の個数: 32

約数和(自身を含む): 1071507456

約数和(自身を除く): 428362107

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 487, 1461, 3409, 5357, 5717, 10227, 16071, 17151, 37499, 40019, 62887, 112497, 120057, 188661, 440209, 1320627, 2784179, 8352537, 19489253, 30625969, 58467759, 91877907, 214381783, 643145349]

約数ペア:

[(1, 643145349), (3, 214381783), (7, 91877907), (11, 58467759), (21, 30625969), (33, 19489253), (77, 8352537), (231, 2784179), (487, 1320627), (1461, 440209), (3409, 188661), (5357, 120057), (5717, 112497), (10227, 62887), (16071, 40019), (17151, 37499)]