128129631

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1601}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 202595328

約数和(自身を除く): 74465697

約数列:

[1, 3, 7, 21, 37, 103, 111, 259, 309, 721, 777, 1601, 2163, 3811, 4803, 11207, 11433, 26677, 33621, 59237, 80031, 164903, 177711, 414659, 494709, 1154321, 1243977, 3462963, 6101411, 18304233, 42709877, 128129631]

約数ペア:

[(1, 128129631), (3, 42709877), (7, 18304233), (21, 6101411), (37, 3462963), (103, 1243977), (111, 1154321), (259, 494709), (309, 414659), (721, 177711), (777, 164903), (1601, 80031), (2163, 59237), (3811, 33621), (4803, 26677), (11207, 11433)]