83880765

素因数分解:

$3^4\times 5^1\times {\mathrm{207113}}^1$

素因数の和:207130

約数の個数: 20

約数和(自身を含む): 150364764

約数和(自身を除く): 66483999

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 207113, 621339, 1035565, 1864017, 3106695, 5592051, 9320085, 16776153, 27960255, 83880765]

約数ペア:

[(1, 83880765), (3, 27960255), (5, 16776153), (9, 9320085), (15, 5592051), (27, 3106695), (45, 1864017), (81, 1035565), (135, 621339), (405, 207113)]