1113345

素因数分解:

$3^4\times 5^1\times {\mathrm{2749}}^1$

素因数の和:2766

約数の個数: 20

約数和(自身を含む): 1996500

約数和(自身を除く): 883155

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2749, 8247, 13745, 24741, 41235, 74223, 123705, 222669, 371115, 1113345]

約数ペア:

[(1, 1113345), (3, 371115), (5, 222669), (9, 123705), (15, 74223), (27, 41235), (45, 24741), (81, 13745), (135, 8247), (405, 2749)]