1020981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:620

約数の個数: 16

約数和(自身を含む): 1499904

約数和(自身を除く): 478923

約数列:

[1, 3, 13, 39, 47, 141, 557, 611, 1671, 1833, 7241, 21723, 26179, 78537, 340327, 1020981]

約数ペア:

[(1, 1020981), (3, 340327), (13, 78537), (39, 26179), (47, 21723), (141, 7241), (557, 1833), (611, 1671)]