78818265

素因数分解:

$3^5\times 5^1\times {\mathrm{64871}}^1$

素因数の和:64891

約数の個数: 24

約数和(自身を含む): 141680448

約数和(自身を除く): 62862183

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 64871, 194613, 324355, 583839, 973065, 1751517, 2919195, 5254551, 8757585, 15763653, 26272755, 78818265]

約数ペア:

[(1, 78818265), (3, 26272755), (5, 15763653), (9, 8757585), (15, 5254551), (27, 2919195), (45, 1751517), (81, 973065), (135, 583839), (243, 324355), (405, 194613), (1215, 64871)]