128971983

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{9733}}^1$

素因数の和:10374

約数の個数: 16

約数和(自身を含む): 196860416

約数和(自身を除く): 67888433

約数列:

[1, 3, 7, 21, 631, 1893, 4417, 9733, 13251, 29199, 68131, 204393, 6141523, 18424569, 42990661, 128971983]

約数ペア:

[(1, 128971983), (3, 42990661), (7, 18424569), (21, 6141523), (631, 204393), (1893, 68131), (4417, 29199), (9733, 13251)]