128317257

素因数分解:

$3^3\times {\mathrm{29}}^2\times {\mathrm{5651}}^1$

素因数の和:5718

約数の個数: 24

約数和(自身を含む): 196915680

約数和(自身を除く): 68598423

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 841, 2523, 5651, 7569, 16953, 22707, 50859, 152577, 163879, 491637, 1474911, 4424733, 4752491, 14257473, 42772419, 128317257]

約数ペア:

[(1, 128317257), (3, 42772419), (9, 14257473), (27, 4752491), (29, 4424733), (87, 1474911), (261, 491637), (783, 163879), (841, 152577), (2523, 50859), (5651, 22707), (7569, 16953)]