20171235

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6197}}^1$

素因数の和:6243

約数の個数: 32

約数和(自身を含む): 38080512

約数和(自身を除く): 17909277

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6197, 18591, 30985, 43379, 92955, 130137, 192107, 216895, 576321, 650685, 960535, 1344749, 2881605, 4034247, 6723745, 20171235]

約数ペア:

[(1, 20171235), (3, 6723745), (5, 4034247), (7, 2881605), (15, 1344749), (21, 960535), (31, 650685), (35, 576321), (93, 216895), (105, 192107), (155, 130137), (217, 92955), (465, 43379), (651, 30985), (1085, 18591), (3255, 6197)]