81290070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{903223}}^1$

素因数の和:903236

約数の個数: 24

約数和(自身を含む): 211354416

約数和(自身を除く): 130064346

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 903223, 1806446, 2709669, 4516115, 5419338, 8129007, 9032230, 13548345, 16258014, 27096690, 40645035, 81290070]

約数ペア:

[(1, 81290070), (2, 40645035), (3, 27096690), (5, 16258014), (6, 13548345), (9, 9032230), (10, 8129007), (15, 5419338), (18, 4516115), (30, 2709669), (45, 1806446), (90, 903223)]