31979205

素因数分解:

$3^4\times 5^1\times {\mathrm{281}}^2$

素因数の和:579

約数の個数: 30

約数和(自身を含む): 57530418

約数和(自身を除く): 25551213

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 281, 405, 843, 1405, 2529, 4215, 7587, 12645, 22761, 37935, 78961, 113805, 236883, 394805, 710649, 1184415, 2131947, 3553245, 6395841, 10659735, 31979205]

約数ペア:

[(1, 31979205), (3, 10659735), (5, 6395841), (9, 3553245), (15, 2131947), (27, 1184415), (45, 710649), (81, 394805), (135, 236883), (281, 113805), (405, 78961), (843, 37935), (1405, 22761), (2529, 12645), (4215, 7587)]