80716965

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{109819}}^1$

素因数の和:109841

約数の個数: 24

約数和(自身を含む): 150233760

約数和(自身を除く): 69516795

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 109819, 329457, 549095, 768733, 1647285, 2306199, 3843665, 5381131, 11530995, 16143393, 26905655, 80716965]

約数ペア:

[(1, 80716965), (3, 26905655), (5, 16143393), (7, 11530995), (15, 5381131), (21, 3843665), (35, 2306199), (49, 1647285), (105, 768733), (147, 549095), (245, 329457), (735, 109819)]