138766341

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 215147520

約数和(自身を除く): 76381179

約数列:

[1, 3, 7, 21, 137, 139, 347, 411, 417, 959, 973, 1041, 2429, 2877, 2919, 7287, 19043, 47539, 48233, 57129, 133301, 142617, 144699, 332773, 337631, 399903, 998319, 1012893, 6607921, 19823763, 46255447, 138766341]

約数ペア:

[(1, 138766341), (3, 46255447), (7, 19823763), (21, 6607921), (137, 1012893), (139, 998319), (347, 399903), (411, 337631), (417, 332773), (959, 144699), (973, 142617), (1041, 133301), (2429, 57129), (2877, 48233), (2919, 47539), (7287, 19043)]