28258665

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 46417536

約数和(自身を除く): 18158871

約数列:

[1, 3, 5, 15, 73, 131, 197, 219, 365, 393, 591, 655, 985, 1095, 1965, 2955, 9563, 14381, 25807, 28689, 43143, 47815, 71905, 77421, 129035, 143445, 215715, 387105, 1883911, 5651733, 9419555, 28258665]

約数ペア:

[(1, 28258665), (3, 9419555), (5, 5651733), (15, 1883911), (73, 387105), (131, 215715), (197, 143445), (219, 129035), (365, 77421), (393, 71905), (591, 47815), (655, 43143), (985, 28689), (1095, 25807), (1965, 14381), (2955, 9563)]