56640345

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 96370560

約数和(自身を除く): 39730215

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 389, 571, 1167, 1713, 1945, 2855, 5835, 6613, 8565, 9707, 19839, 29121, 33065, 48535, 99195, 145605, 222119, 666357, 1110595, 3331785, 3776023, 11328069, 18880115, 56640345]

約数ペア:

[(1, 56640345), (3, 18880115), (5, 11328069), (15, 3776023), (17, 3331785), (51, 1110595), (85, 666357), (255, 222119), (389, 145605), (571, 99195), (1167, 48535), (1713, 33065), (1945, 29121), (2855, 19839), (5835, 9707), (6613, 8565)]