15291213

素因数分解:

$3^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1483}}^1$

素因数の和:1984

約数の個数: 16

約数和(自身を含む): 23364096

約数和(自身を除く): 8072883

約数列:

[1, 3, 7, 21, 491, 1473, 1483, 3437, 4449, 10311, 10381, 31143, 728153, 2184459, 5097071, 15291213]

約数ペア:

[(1, 15291213), (3, 5097071), (7, 2184459), (21, 728153), (491, 31143), (1473, 10381), (1483, 10311), (3437, 4449)]