2180199

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 3649536

約数和(自身を除く): 1469337

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 197, 217, 357, 527, 591, 651, 1379, 1581, 3349, 3689, 4137, 6107, 10047, 11067, 18321, 23443, 42749, 70329, 103819, 128247, 311457, 726733, 2180199]

約数ペア:

[(1, 2180199), (3, 726733), (7, 311457), (17, 128247), (21, 103819), (31, 70329), (51, 42749), (93, 23443), (119, 18321), (197, 11067), (217, 10047), (357, 6107), (527, 4137), (591, 3689), (651, 3349), (1379, 1581)]