1639443

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:474

約数の個数: 16

約数和(自身を含む): 2379776

約数和(自身を除く): 740333

約数列:

[1, 3, 13, 39, 127, 331, 381, 993, 1651, 4303, 4953, 12909, 42037, 126111, 546481, 1639443]

約数ペア:

[(1, 1639443), (3, 546481), (13, 126111), (39, 42037), (127, 12909), (331, 4953), (381, 4303), (993, 1651)]