28018947

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:555

約数の個数: 32

約数和(自身を含む): 42854400

約数和(自身を除く): 14835453

約数列:

[1, 3, 11, 31, 33, 61, 93, 183, 341, 449, 671, 1023, 1347, 1891, 2013, 4939, 5673, 13919, 14817, 20801, 27389, 41757, 62403, 82167, 153109, 301279, 459327, 849059, 903837, 2547177, 9339649, 28018947]

約数ペア:

[(1, 28018947), (3, 9339649), (11, 2547177), (31, 903837), (33, 849059), (61, 459327), (93, 301279), (183, 153109), (341, 82167), (449, 62403), (671, 41757), (1023, 27389), (1347, 20801), (1891, 14817), (2013, 13919), (4939, 5673)]