28701135

素因数分解:

$3^4\times 5^1\times {\mathrm{70867}}^1$

素因数の和:70884

約数の個数: 20

約数和(自身を含む): 51450168

約数和(自身を除く): 22749033

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 70867, 212601, 354335, 637803, 1063005, 1913409, 3189015, 5740227, 9567045, 28701135]

約数ペア:

[(1, 28701135), (3, 9567045), (5, 5740227), (9, 3189015), (15, 1913409), (27, 1063005), (45, 637803), (81, 354335), (135, 212601), (405, 70867)]