28691289

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{4751}}^1$

素因数の和:4829

約数の個数: 24

約数和(自身を含む): 45961344

約数和(自身を除く): 17270055

約数列:

[1, 3, 9, 11, 33, 61, 99, 183, 549, 671, 2013, 4751, 6039, 14253, 42759, 52261, 156783, 289811, 470349, 869433, 2608299, 3187921, 9563763, 28691289]

約数ペア:

[(1, 28691289), (3, 9563763), (9, 3187921), (11, 2608299), (33, 869433), (61, 470349), (99, 289811), (183, 156783), (549, 52261), (671, 42759), (2013, 14253), (4751, 6039)]