72874485

素因数分解:

$3^6\times 5^1\times {\mathrm{19993}}^1$

素因数の和:20016

約数の個数: 28

約数和(自身を含む): 131120652

約数和(自身を除く): 58246167

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 19993, 59979, 99965, 179937, 299895, 539811, 899685, 1619433, 2699055, 4858299, 8097165, 14574897, 24291495, 72874485]

約数ペア:

[(1, 72874485), (3, 24291495), (5, 14574897), (9, 8097165), (15, 4858299), (27, 2699055), (45, 1619433), (81, 899685), (135, 539811), (243, 299895), (405, 179937), (729, 99965), (1215, 59979), (3645, 19993)]