30721299

素因数分解:

$3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{6121}}^1$

素因数の和:6370

約数の個数: 16

約数和(自身を含む): 47016960

約数和(自身を除く): 16295661

約数列:

[1, 3, 7, 21, 239, 717, 1673, 5019, 6121, 18363, 42847, 128541, 1462919, 4388757, 10240433, 30721299]

約数ペア:

[(1, 30721299), (3, 10240433), (7, 4388757), (21, 1462919), (239, 128541), (717, 42847), (1673, 18363), (5019, 6121)]