620199321

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{248179}}^1$

素因数の和:248213

約数の個数: 24

約数和(自身を含む): 1018530720

約数和(自身を除く): 398331399

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 248179, 744537, 1737253, 4219043, 5211759, 12160771, 12657129, 29533301, 36482313, 88599903, 206733107, 620199321]

約数ペア:

[(1, 620199321), (3, 206733107), (7, 88599903), (17, 36482313), (21, 29533301), (49, 12657129), (51, 12160771), (119, 5211759), (147, 4219043), (357, 1737253), (833, 744537), (2499, 248179)]