16907985

素因数分解:

$3^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{619}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 29402880

約数和(自身を除く): 12494895

約数列:

[1, 3, 5, 9, 15, 45, 607, 619, 1821, 1857, 3035, 3095, 5463, 5571, 9105, 9285, 27315, 27855, 375733, 1127199, 1878665, 3381597, 5635995, 16907985]

約数ペア:

[(1, 16907985), (3, 5635995), (5, 3381597), (9, 1878665), (15, 1127199), (45, 375733), (607, 27855), (619, 27315), (1821, 9285), (1857, 9105), (3035, 5571), (3095, 5463)]