420748011

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{10223}}^1$

素因数の和:10515

約数の個数: 24

約数和(自身を含む): 645952320

約数和(自身を除く): 225204309

約数列:

[1, 3, 9, 17, 51, 153, 269, 807, 2421, 4573, 10223, 13719, 30669, 41157, 92007, 173791, 521373, 1564119, 2749987, 8249961, 24749883, 46749779, 140249337, 420748011]

約数ペア:

[(1, 420748011), (3, 140249337), (9, 46749779), (17, 24749883), (51, 8249961), (153, 2749987), (269, 1564119), (807, 521373), (2421, 173791), (4573, 92007), (10223, 41157), (13719, 30669)]