68715135

素因数分解:

$3^4\times 5^1\times {\mathrm{169667}}^1$

素因数の和:169684

約数の個数: 20

約数和(自身を含む): 123178968

約数和(自身を除く): 54463833

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 169667, 509001, 848335, 1527003, 2545005, 4581009, 7635015, 13743027, 22905045, 68715135]

約数ペア:

[(1, 68715135), (3, 22905045), (5, 13743027), (9, 7635015), (15, 4581009), (27, 2545005), (45, 1527003), (81, 848335), (135, 509001), (405, 169667)]