28711641

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{317}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 46402560

約数和(自身を除く): 17690919

約数列:

[1, 3, 7, 19, 21, 57, 133, 227, 317, 399, 681, 951, 1589, 2219, 4313, 4767, 6023, 6657, 12939, 18069, 30191, 42161, 71959, 90573, 126483, 215877, 503713, 1367221, 1511139, 4101663, 9570547, 28711641]

約数ペア:

[(1, 28711641), (3, 9570547), (7, 4101663), (19, 1511139), (21, 1367221), (57, 503713), (133, 215877), (227, 126483), (317, 90573), (399, 71959), (681, 42161), (951, 30191), (1589, 18069), (2219, 12939), (4313, 6657), (4767, 6023)]