311919951

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{977}}^1$

素因数の和:1671

約数の個数: 32

約数和(自身を含む): 497230848

約数和(自身を除く): 185310897

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 661, 977, 1983, 2931, 4627, 6839, 13881, 15203, 20517, 22471, 45609, 67413, 106421, 157297, 319263, 471891, 645797, 1937391, 4520579, 13561737, 14853331, 44559993, 103973317, 311919951]

約数ペア:

[(1, 311919951), (3, 103973317), (7, 44559993), (21, 14853331), (23, 13561737), (69, 4520579), (161, 1937391), (483, 645797), (661, 471891), (977, 319263), (1983, 157297), (2931, 106421), (4627, 67413), (6839, 45609), (13881, 22471), (15203, 20517)]