128970981

素因数分解:

$3^3\times {\mathrm{173}}^1\times {\mathrm{27611}}^1$

素因数の和:27793

約数の個数: 16

約数和(自身を含む): 192179520

約数和(自身を除く): 63208539

約数列:

[1, 3, 9, 27, 173, 519, 1557, 4671, 27611, 82833, 248499, 745497, 4776703, 14330109, 42990327, 128970981]

約数ペア:

[(1, 128970981), (3, 42990327), (9, 14330109), (27, 4776703), (173, 745497), (519, 248499), (1557, 82833), (4671, 27611)]