18819390015

素因数分解:

$3^3\times 5^1\times {\mathrm{139402889}}^1$

素因数の和:139402903

約数の個数: 16

約数和(自身を含む): 33456693600

約数和(自身を除く): 14637303585

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 139402889, 418208667, 697014445, 1254626001, 2091043335, 3763878003, 6273130005, 18819390015]

約数ペア:

[(1, 18819390015), (3, 6273130005), (5, 3763878003), (9, 2091043335), (15, 1254626001), (27, 697014445), (45, 418208667), (135, 139402889)]