28266327

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{11257}}^1$

素因数の和:11300

約数の個数: 20

約数和(自身を含む): 43590976

約数和(自身を除く): 15324649

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 11257, 33771, 101313, 303939, 348967, 911817, 1046901, 3140703, 9422109, 28266327]

約数ペア:

[(1, 28266327), (3, 9422109), (9, 3140703), (27, 1046901), (31, 911817), (81, 348967), (93, 303939), (279, 101313), (837, 33771), (2511, 11257)]