201171645

素因数分解:

$3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{20047}}^1$

素因数の和:20281

約数の個数: 24

約数和(自身を含む): 350278656

約数和(自身を除く): 149107011

約数列:

[1, 3, 5, 9, 15, 45, 223, 669, 1115, 2007, 3345, 10035, 20047, 60141, 100235, 180423, 300705, 902115, 4470481, 13411443, 22352405, 40234329, 67057215, 201171645]

約数ペア:

[(1, 201171645), (3, 67057215), (5, 40234329), (9, 22352405), (15, 13411443), (45, 4470481), (223, 902115), (669, 300705), (1115, 180423), (2007, 100235), (3345, 60141), (10035, 20047)]