128051199

素因数分解:

$3^4\times {\mathrm{317}}^1\times {\mathrm{4987}}^1$

素因数の和:5316

約数の個数: 20

約数和(自身を含む): 191928264

約数和(自身を除く): 63877065

約数列:

[1, 3, 9, 27, 81, 317, 951, 2853, 4987, 8559, 14961, 25677, 44883, 134649, 403947, 1580879, 4742637, 14227911, 42683733, 128051199]

約数ペア:

[(1, 128051199), (3, 42683733), (9, 14227911), (27, 4742637), (81, 1580879), (317, 403947), (951, 134649), (2853, 44883), (4987, 25677), (8559, 14961)]