420072159

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{33347}}^1$

素因数の和:33399

約数の個数: 32

約数和(自身を含む): 672295680

約数和(自身を除く): 252223521

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 4199, 12597, 33347, 100041, 433511, 566899, 633593, 1300533, 1700697, 1900779, 7369687, 8236709, 10771081, 22109061, 24710127, 32313243, 140024053, 420072159]

約数ペア:

[(1, 420072159), (3, 140024053), (13, 32313243), (17, 24710127), (19, 22109061), (39, 10771081), (51, 8236709), (57, 7369687), (221, 1900779), (247, 1700697), (323, 1300533), (663, 633593), (741, 566899), (969, 433511), (4199, 100041), (12597, 33347)]