202121395

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1741}}^1$

素因数の和:1891

約数の個数: 32

約数和(自身を含む): 288976896

約数和(自身を除く): 86855501

約数列:

[1, 5, 7, 31, 35, 107, 155, 217, 535, 749, 1085, 1741, 3317, 3745, 8705, 12187, 16585, 23219, 53971, 60935, 116095, 186287, 269855, 377797, 931435, 1304009, 1888985, 5774897, 6520045, 28874485, 40424279, 202121395]

約数ペア:

[(1, 202121395), (5, 40424279), (7, 28874485), (31, 6520045), (35, 5774897), (107, 1888985), (155, 1304009), (217, 931435), (535, 377797), (749, 269855), (1085, 186287), (1741, 116095), (3317, 60935), (3745, 53971), (8705, 23219), (12187, 16585)]