620136027

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{20899}}^1$

素因数の和:21072

約数の個数: 32

約数和(自身を含む): 1056704000

約数和(自身を除く): 436567973

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 1099, 1413, 3297, 4239, 9891, 20899, 29673, 62697, 146293, 188091, 438879, 564273, 1316637, 3281143, 3949911, 9843429, 22968001, 29530287, 68904003, 88590861, 206712009, 620136027]

約数ペア:

[(1, 620136027), (3, 206712009), (7, 88590861), (9, 68904003), (21, 29530287), (27, 22968001), (63, 9843429), (157, 3949911), (189, 3281143), (471, 1316637), (1099, 564273), (1413, 438879), (3297, 188091), (4239, 146293), (9891, 62697), (20899, 29673)]