2820783

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 4523520

約数和(自身を除く): 1702737

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 619, 651, 1519, 1857, 4333, 4557, 12999, 19189, 30331, 57567, 90993, 134323, 402969, 940261, 2820783]

約数ペア:

[(1, 2820783), (3, 940261), (7, 402969), (21, 134323), (31, 90993), (49, 57567), (93, 30331), (147, 19189), (217, 12999), (619, 4557), (651, 4333), (1519, 1857)]