30980025

素因数分解:

$3^2\times 5^2\times {\mathrm{157}}^1\times {\mathrm{877}}^1$

素因数の和:1050

約数の個数: 36

約数和(自身を含む): 55905772

約数和(自身を除く): 24925747

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 157, 225, 471, 785, 877, 1413, 2355, 2631, 3925, 4385, 7065, 7893, 11775, 13155, 21925, 35325, 39465, 65775, 137689, 197325, 413067, 688445, 1239201, 2065335, 3442225, 6196005, 10326675, 30980025]

約数ペア:

[(1, 30980025), (3, 10326675), (5, 6196005), (9, 3442225), (15, 2065335), (25, 1239201), (45, 688445), (75, 413067), (157, 197325), (225, 137689), (471, 65775), (785, 39465), (877, 35325), (1413, 21925), (2355, 13155), (2631, 11775), (3925, 7893), (4385, 7065)]