1880253

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:318

約数の個数: 20

約数和(自身を含む): 2845920

約数和(自身を除く): 965667

約数列:

[1, 3, 9, 27, 81, 139, 167, 417, 501, 1251, 1503, 3753, 4509, 11259, 13527, 23213, 69639, 208917, 626751, 1880253]

約数ペア:

[(1, 1880253), (3, 626751), (9, 208917), (27, 69639), (81, 23213), (139, 13527), (167, 11259), (417, 4509), (501, 3753), (1251, 1503)]