128824521

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{360853}}^1$

素因数の和:360880

約数の個数: 16

約数和(自身を含む): 207851904

約数和(自身を除く): 79027383

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 360853, 1082559, 2525971, 6134501, 7577913, 18403503, 42941507, 128824521]

約数ペア:

[(1, 128824521), (3, 42941507), (7, 18403503), (17, 7577913), (21, 6134501), (51, 2525971), (119, 1082559), (357, 360853)]