1990395

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4021}}^1$

素因数の和:4043

約数の個数: 24

約数和(自身を含む): 3764592

約数和(自身を除く): 1774197

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 4021, 12063, 20105, 36189, 44231, 60315, 132693, 180945, 221155, 398079, 663465, 1990395]

約数ペア:

[(1, 1990395), (3, 663465), (5, 398079), (9, 221155), (11, 180945), (15, 132693), (33, 60315), (45, 44231), (55, 36189), (99, 20105), (165, 12063), (495, 4021)]