491174397

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{32621}}^1$

素因数の和:32873

約数の個数: 24

約数和(自身を含む): 814245120

約数和(自身を除く): 323070723

約数列:

[1, 3, 7, 9, 21, 63, 239, 717, 1673, 2151, 5019, 15057, 32621, 97863, 228347, 293589, 685041, 2055123, 7796419, 23389257, 54574933, 70167771, 163724799, 491174397]

約数ペア:

[(1, 491174397), (3, 163724799), (7, 70167771), (9, 54574933), (21, 23389257), (63, 7796419), (239, 2055123), (717, 685041), (1673, 293589), (2151, 228347), (5019, 97863), (15057, 32621)]