398989006755

素因数分解:

$3^1\times 5^1\times {\mathrm{21139}}^1\times {\mathrm{1258303}}^1$

素因数の和:1279450

約数の個数: 16

約数和(自身を含む): 638413117440

約数和(自身を除く): 239424110685

約数列:

[1, 3, 5, 15, 21139, 63417, 105695, 317085, 1258303, 3774909, 6291515, 18874545, 26599267117, 79797801351, 132996335585, 398989006755]

約数ペア:

[(1, 398989006755), (3, 132996335585), (5, 79797801351), (15, 26599267117), (21139, 18874545), (63417, 6291515), (105695, 3774909), (317085, 1258303)]