13891455

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1567}}^1$

素因数の和:1775

約数の個数: 24

約数和(自身を含む): 24216192

約数和(自身を除く): 10324737

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1567, 1773, 2955, 4701, 7835, 8865, 14103, 23505, 70515, 308699, 926097, 1543495, 2778291, 4630485, 13891455]

約数ペア:

[(1, 13891455), (3, 4630485), (5, 2778291), (9, 1543495), (15, 926097), (45, 308699), (197, 70515), (591, 23505), (985, 14103), (1567, 8865), (1773, 7835), (2955, 4701)]