421145709

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{7639}}^1$

素因数の和:7729

約数の個数: 32

約数和(自身を含む): 633692160

約数和(自身を除く): 212546451

約数列:

[1, 3, 17, 23, 47, 51, 69, 141, 391, 799, 1081, 1173, 2397, 3243, 7639, 18377, 22917, 55131, 129863, 175697, 359033, 389589, 527091, 1077099, 2986849, 6103561, 8257759, 8960547, 18310683, 24773277, 140381903, 421145709]

約数ペア:

[(1, 421145709), (3, 140381903), (17, 24773277), (23, 18310683), (47, 8960547), (51, 8257759), (69, 6103561), (141, 2986849), (391, 1077099), (799, 527091), (1081, 389589), (1173, 359033), (2397, 175697), (3243, 129863), (7639, 55131), (18377, 22917)]