393955983

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{51437}}^1$

素因数の和:51503

約数の個数: 24

約数和(自身を含む): 609848928

約数和(自身を除く): 215892945

約数列:

[1, 3, 9, 23, 37, 69, 111, 207, 333, 851, 2553, 7659, 51437, 154311, 462933, 1183051, 1903169, 3549153, 5709507, 10647459, 17128521, 43772887, 131318661, 393955983]

約数ペア:

[(1, 393955983), (3, 131318661), (9, 43772887), (23, 17128521), (37, 10647459), (69, 5709507), (111, 3549153), (207, 1903169), (333, 1183051), (851, 462933), (2553, 154311), (7659, 51437)]