1980909

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:286

約数の個数: 32

約数和(自身を含む): 3440640

約数和(自身を除く): 1459731

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 223, 329, 423, 669, 987, 1269, 1561, 2007, 2961, 4683, 6021, 8883, 10481, 14049, 31443, 42147, 73367, 94329, 220101, 282987, 660303, 1980909]

約数ペア:

[(1, 1980909), (3, 660303), (7, 282987), (9, 220101), (21, 94329), (27, 73367), (47, 42147), (63, 31443), (141, 14049), (189, 10481), (223, 8883), (329, 6021), (423, 4683), (669, 2961), (987, 2007), (1269, 1561)]