2228031

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 3516240

約数和(自身を除く): 1288209

約数列:

[1, 3, 9, 13, 39, 117, 137, 139, 411, 417, 1233, 1251, 1781, 1807, 5343, 5421, 16029, 16263, 19043, 57129, 171387, 247559, 742677, 2228031]

約数ペア:

[(1, 2228031), (3, 742677), (9, 247559), (13, 171387), (39, 57129), (117, 19043), (137, 16263), (139, 16029), (411, 5421), (417, 5343), (1233, 1807), (1251, 1781)]