28218135

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9001}}^1$

素因数の和:9039

約数の個数: 32

約数和(自身を含む): 51851520

約数和(自身を除く): 23633385

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 9001, 27003, 45005, 99011, 135015, 171019, 297033, 495055, 513057, 855095, 1485165, 1881209, 2565285, 5643627, 9406045, 28218135]

約数ペア:

[(1, 28218135), (3, 9406045), (5, 5643627), (11, 2565285), (15, 1881209), (19, 1485165), (33, 855095), (55, 513057), (57, 495055), (95, 297033), (165, 171019), (209, 135015), (285, 99011), (627, 45005), (1045, 27003), (3135, 9001)]