103689720405

素因数分解:

$3^4\times 5^1\times {\mathrm{256024001}}^1$

素因数の和:256024018

約数の個数: 20

約数和(自身を含む): 185873425452

約数和(自身を除く): 82183705047

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 256024001, 768072003, 1280120005, 2304216009, 3840360015, 6912648027, 11521080045, 20737944081, 34563240135, 103689720405]

約数ペア:

[(1, 103689720405), (3, 34563240135), (5, 20737944081), (9, 11521080045), (15, 6912648027), (27, 3840360015), (45, 2304216009), (81, 1280120005), (135, 768072003), (405, 256024001)]