42730983

素因数分解:

$3^4\times {\mathrm{641}}^1\times {\mathrm{823}}^1$

素因数の和:1476

約数の個数: 20

約数和(自身を含む): 64009968

約数和(自身を除く): 21278985

約数列:

[1, 3, 9, 27, 81, 641, 823, 1923, 2469, 5769, 7407, 17307, 22221, 51921, 66663, 527543, 1582629, 4747887, 14243661, 42730983]

約数ペア:

[(1, 42730983), (3, 14243661), (9, 4747887), (27, 1582629), (81, 527543), (641, 66663), (823, 51921), (1923, 22221), (2469, 17307), (5769, 7407)]