2565969

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 4224000

約数和(自身を除く): 1658031

約数列:

[1, 3, 7, 19, 21, 57, 59, 109, 133, 177, 327, 399, 413, 763, 1121, 1239, 2071, 2289, 3363, 6213, 6431, 7847, 14497, 19293, 23541, 43491, 45017, 122189, 135051, 366567, 855323, 2565969]

約数ペア:

[(1, 2565969), (3, 855323), (7, 366567), (19, 135051), (21, 122189), (57, 45017), (59, 43491), (109, 23541), (133, 19293), (177, 14497), (327, 7847), (399, 6431), (413, 6213), (763, 3363), (1121, 2289), (1239, 2071)]