81219330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{902437}}^1$

素因数の和:902450

約数の個数: 24

約数和(自身を含む): 211170492

約数和(自身を除く): 129951162

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 902437, 1804874, 2707311, 4512185, 5414622, 8121933, 9024370, 13536555, 16243866, 27073110, 40609665, 81219330]

約数ペア:

[(1, 81219330), (2, 40609665), (3, 27073110), (5, 16243866), (6, 13536555), (9, 9024370), (10, 8121933), (15, 5414622), (18, 4512185), (30, 2707311), (45, 1804874), (90, 902437)]