187515135

素因数分解:

$3^3\times 5^1\times {\mathrm{1389001}}^1$

素因数の和:1389015

約数の個数: 16

約数和(自身を含む): 333360480

約数和(自身を除く): 145845345

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1389001, 4167003, 6945005, 12501009, 20835015, 37503027, 62505045, 187515135]

約数ペア:

[(1, 187515135), (3, 62505045), (5, 37503027), (9, 20835015), (15, 12501009), (27, 6945005), (45, 4167003), (135, 1389001)]