28859481

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2111}}^1$

素因数の和:2162

約数の個数: 36

約数和(自身を含む): 50079744

約数和(自身を除く): 21220263

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 441, 651, 1519, 1953, 2111, 4557, 6333, 13671, 14777, 18999, 44331, 65441, 103439, 132993, 196323, 310317, 458087, 588969, 930951, 1374261, 3206609, 4122783, 9619827, 28859481]

約数ペア:

[(1, 28859481), (3, 9619827), (7, 4122783), (9, 3206609), (21, 1374261), (31, 930951), (49, 588969), (63, 458087), (93, 310317), (147, 196323), (217, 132993), (279, 103439), (441, 65441), (651, 44331), (1519, 18999), (1953, 14777), (2111, 13671), (4557, 6333)]