81558270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{906203}}^1$

素因数の和:906216

約数の個数: 24

約数和(自身を含む): 212051736

約数和(自身を除く): 130493466

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 906203, 1812406, 2718609, 4531015, 5437218, 8155827, 9062030, 13593045, 16311654, 27186090, 40779135, 81558270]

約数ペア:

[(1, 81558270), (2, 40779135), (3, 27186090), (5, 16311654), (6, 13593045), (9, 9062030), (10, 8155827), (15, 5437218), (18, 4531015), (30, 2718609), (45, 1812406), (90, 906203)]