2748285

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 4806360

約数和(自身を除く): 2058075

約数列:

[1, 3, 5, 9, 15, 45, 157, 389, 471, 785, 1167, 1413, 1945, 2355, 3501, 5835, 7065, 17505, 61073, 183219, 305365, 549657, 916095, 2748285]

約数ペア:

[(1, 2748285), (3, 916095), (5, 549657), (9, 305365), (15, 183219), (45, 61073), (157, 17505), (389, 7065), (471, 5835), (785, 3501), (1167, 2355), (1413, 1945)]