128971731

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{33931}}^1$

素因数の和:34122

約数の個数: 16

約数和(自身を含む): 197619968

約数和(自身を除く): 68648237

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 33931, 101793, 237517, 712551, 6141511, 18424533, 42990577, 128971731]

約数ペア:

[(1, 128971731), (3, 42990577), (7, 18424533), (21, 6141511), (181, 712551), (543, 237517), (1267, 101793), (3801, 33931)]