405135

素因数分解:

$3^3\times 5^1\times {\mathrm{3001}}^1$

素因数の和:3015

約数の個数: 16

約数和(自身を含む): 720480

約数和(自身を除く): 315345

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 3001, 9003, 15005, 27009, 45015, 81027, 135045, 405135]

約数ペア:

[(1, 405135), (3, 135045), (5, 81027), (9, 45015), (15, 27009), (27, 15005), (45, 9003), (135, 3001)]