210978105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1081939}}^1$

素因数の和:1081960

約数の個数: 16

約数和(自身を含む): 363531840

約数和(自身を除く): 152553735

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1081939, 3245817, 5409695, 14065207, 16229085, 42195621, 70326035, 210978105]

約数ペア:

[(1, 210978105), (3, 70326035), (5, 42195621), (13, 16229085), (15, 14065207), (39, 5409695), (65, 3245817), (195, 1081939)]