18135

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:55

約数の個数: 24

約数和(自身を含む): 34944

約数和(自身を除く): 16809

約数列:

[1, 3, 5, 9, 13, 15, 31, 39, 45, 65, 93, 117, 155, 195, 279, 403, 465, 585, 1209, 1395, 2015, 3627, 6045, 18135]

約数ペア:

[(1, 18135), (3, 6045), (5, 3627), (9, 2015), (13, 1395), (15, 1209), (31, 585), (39, 465), (45, 403), (65, 279), (93, 195), (117, 155)]