128212323

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{14327}}^1$

素因数の和:14506

約数の個数: 16

約数和(自身を含む): 181105920

約数和(自身を除く): 52893597

約数列:

[1, 3, 19, 57, 157, 471, 2983, 8949, 14327, 42981, 272213, 816639, 2249339, 6748017, 42737441, 128212323]

約数ペア:

[(1, 128212323), (3, 42737441), (19, 6748017), (57, 2249339), (157, 816639), (471, 272213), (2983, 42981), (8949, 14327)]