28530405

素因数分解:

$3^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1597}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 49608312

約数和(自身を除く): 21077907

約数列:

[1, 3, 5, 9, 15, 45, 397, 1191, 1597, 1985, 3573, 4791, 5955, 7985, 14373, 17865, 23955, 71865, 634009, 1902027, 3170045, 5706081, 9510135, 28530405]

約数ペア:

[(1, 28530405), (3, 9510135), (5, 5706081), (9, 3170045), (15, 1902027), (45, 634009), (397, 71865), (1191, 23955), (1597, 17865), (1985, 14373), (3573, 7985), (4791, 5955)]