28988379

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{14843}}^1$

素因数の和:14887

約数の個数: 24

約数和(自身を含む): 49400832

約数和(自身を除く): 20412453

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 14843, 44529, 103901, 133587, 311703, 460133, 935109, 1380399, 3220931, 4141197, 9662793, 28988379]

約数ペア:

[(1, 28988379), (3, 9662793), (7, 4141197), (9, 3220931), (21, 1380399), (31, 935109), (63, 460133), (93, 311703), (217, 133587), (279, 103901), (651, 44529), (1953, 14843)]