61478475

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{19993}}^1$

素因数の和:20047

約数の個数: 24

約数和(自身を含む): 104128752

約数和(自身を除く): 42650277

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 19993, 59979, 99965, 299895, 499825, 819713, 1499475, 2459139, 4098565, 12295695, 20492825, 61478475]

約数ペア:

[(1, 61478475), (3, 20492825), (5, 12295695), (15, 4098565), (25, 2459139), (41, 1499475), (75, 819713), (123, 499825), (205, 299895), (615, 99965), (1025, 59979), (3075, 19993)]