128528211

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{360023}}^1$

素因数の和:360050

約数の個数: 16

約数和(自身を含む): 207373824

約数和(自身を除く): 78845613

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 360023, 1080069, 2520161, 6120391, 7560483, 18361173, 42842737, 128528211]

約数ペア:

[(1, 128528211), (3, 42842737), (7, 18361173), (17, 7560483), (21, 6120391), (51, 2520161), (119, 1080069), (357, 360023)]