128520987

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{266089}}^1$

素因数の和:266122

約数の個数: 16

約数和(自身を含む): 204357120

約数和(自身を除く): 75836133

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 266089, 798267, 1862623, 5587869, 6120047, 18360141, 42840329, 128520987]

約数ペア:

[(1, 128520987), (3, 42840329), (7, 18360141), (21, 6120047), (23, 5587869), (69, 1862623), (161, 798267), (483, 266089)]