42900921

素因数分解:

$3^6\times 7^2\times {\mathrm{1201}}^1$

素因数の和:1233

約数の個数: 42

約数和(自身を含む): 74885802

約数和(自身を除く): 31984881

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 243, 441, 567, 729, 1201, 1323, 1701, 3603, 3969, 5103, 8407, 10809, 11907, 25221, 32427, 35721, 58849, 75663, 97281, 176547, 226989, 291843, 529641, 680967, 875529, 1588923, 2042901, 4766769, 6128703, 14300307, 42900921]

約数ペア:

[(1, 42900921), (3, 14300307), (7, 6128703), (9, 4766769), (21, 2042901), (27, 1588923), (49, 875529), (63, 680967), (81, 529641), (147, 291843), (189, 226989), (243, 176547), (441, 97281), (567, 75663), (729, 58849), (1201, 35721), (1323, 32427), (1701, 25221), (3603, 11907), (3969, 10809), (5103, 8407)]