209968245

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{88037}}^1$

素因数の和:88101

約数の個数: 24

約数和(自身を含む): 370816056

約数和(自身を除く): 160847811

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 477, 795, 2385, 88037, 264111, 440185, 792333, 1320555, 3961665, 4665961, 13997883, 23329805, 41993649, 69989415, 209968245]

約数ペア:

[(1, 209968245), (3, 69989415), (5, 41993649), (9, 23329805), (15, 13997883), (45, 4665961), (53, 3961665), (159, 1320555), (265, 792333), (477, 440185), (795, 264111), (2385, 88037)]