3998565

素因数分解:

$3^6\times 5^1\times {\mathrm{1097}}^1$

素因数の和:1120

約数の個数: 28

約数和(自身を含む): 7200684

約数和(自身を除く): 3202119

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1097, 1215, 3291, 3645, 5485, 9873, 16455, 29619, 49365, 88857, 148095, 266571, 444285, 799713, 1332855, 3998565]

約数ペア:

[(1, 3998565), (3, 1332855), (5, 799713), (9, 444285), (15, 266571), (27, 148095), (45, 88857), (81, 49365), (135, 29619), (243, 16455), (405, 9873), (729, 5485), (1097, 3645), (1215, 3291)]