642465693

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{30133}}^1$

素因数の和:30265

約数の個数: 24

約数和(自身を含む): 977788032

約数和(自身を除く): 335322339

約数列:

[1, 3, 9, 23, 69, 103, 207, 309, 927, 2369, 7107, 21321, 30133, 90399, 271197, 693059, 2079177, 3103699, 6237531, 9311097, 27933291, 71385077, 214155231, 642465693]

約数ペア:

[(1, 642465693), (3, 214155231), (9, 71385077), (23, 27933291), (69, 9311097), (103, 6237531), (207, 3103699), (309, 2079177), (927, 693059), (2369, 271197), (7107, 90399), (21321, 30133)]