68993175

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31721}}^1$

素因数の和:31763

約数の個数: 24

約数和(自身を含む): 118005840

約数和(自身を除く): 49012665

約数列:

[1, 3, 5, 15, 25, 29, 75, 87, 145, 435, 725, 2175, 31721, 95163, 158605, 475815, 793025, 919909, 2379075, 2759727, 4599545, 13798635, 22997725, 68993175]

約数ペア:

[(1, 68993175), (3, 22997725), (5, 13798635), (15, 4599545), (25, 2759727), (29, 2379075), (75, 919909), (87, 793025), (145, 475815), (435, 158605), (725, 95163), (2175, 31721)]