620429817

素因数分解:

$3^1\times 7^2\times {\mathrm{227}}^1\times {\mathrm{18593}}^1$

素因数の和:18837

約数の個数: 24

約数和(自身を含む): 966590496

約数和(自身を除く): 346160679

約数列:

[1, 3, 7, 21, 49, 147, 227, 681, 1589, 4767, 11123, 18593, 33369, 55779, 130151, 390453, 911057, 2733171, 4220611, 12661833, 29544277, 88632831, 206809939, 620429817]

約数ペア:

[(1, 620429817), (3, 206809939), (7, 88632831), (21, 29544277), (49, 12661833), (147, 4220611), (227, 2733171), (681, 911057), (1589, 390453), (4767, 130151), (11123, 55779), (18593, 33369)]