17955855

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21001}}^1$

素因数の和:21031

約数の個数: 24

約数和(自身を含む): 32763120

約数和(自身を除く): 14807265

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 21001, 63003, 105005, 189009, 315015, 399019, 945045, 1197057, 1995095, 3591171, 5985285, 17955855]

約数ペア:

[(1, 17955855), (3, 5985285), (5, 3591171), (9, 1995095), (15, 1197057), (19, 945045), (45, 399019), (57, 315015), (95, 189009), (171, 105005), (285, 63003), (855, 21001)]