145978281

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{16843}}^1$

素因数の和:16962

約数の個数: 20

約数和(自身を含む): 220117392

約数和(自身を除く): 74139111

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2889, 8667, 16843, 50529, 151587, 454761, 1364283, 1802201, 5406603, 16219809, 48659427, 145978281]

約数ペア:

[(1, 145978281), (3, 48659427), (9, 16219809), (27, 5406603), (81, 1802201), (107, 1364283), (321, 454761), (963, 151587), (2889, 50529), (8667, 16843)]