1221805161

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{2357}}^1$

素因数の和:2702

約数の個数: 32

約数和(自身を含む): 1842635520

約数和(自身を除く): 620830359

約数列:

[1, 3, 9, 27, 73, 219, 263, 657, 789, 1971, 2357, 2367, 7071, 7101, 19199, 21213, 57597, 63639, 172061, 172791, 516183, 518373, 619891, 1548549, 1859673, 4645647, 5579019, 16737057, 45252043, 135756129, 407268387, 1221805161]

約数ペア:

[(1, 1221805161), (3, 407268387), (9, 135756129), (27, 45252043), (73, 16737057), (219, 5579019), (263, 4645647), (657, 1859673), (789, 1548549), (1971, 619891), (2357, 518373), (2367, 516183), (7071, 172791), (7101, 172061), (19199, 63639), (21213, 57597)]