85691115

素因数分解:

$3^4\times 5^1\times {\mathrm{211583}}^1$

素因数の和:211600

約数の個数: 20

約数和(自身を含む): 153609984

約数和(自身を除く): 67918869

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 211583, 634749, 1057915, 1904247, 3173745, 5712741, 9521235, 17138223, 28563705, 85691115]

約数ペア:

[(1, 85691115), (3, 28563705), (5, 17138223), (9, 9521235), (15, 5712741), (27, 3173745), (45, 1904247), (81, 1057915), (135, 634749), (405, 211583)]