15971949

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4297}}^1$

素因数の和:4369

約数の個数: 24

約数和(自身を含む): 26819520

約数和(自身を除く): 10847571

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 4297, 12891, 30079, 38673, 90237, 253523, 270711, 760569, 1774661, 2281707, 5323983, 15971949]

約数ペア:

[(1, 15971949), (3, 5323983), (7, 2281707), (9, 1774661), (21, 760569), (59, 270711), (63, 253523), (177, 90237), (413, 38673), (531, 30079), (1239, 12891), (3717, 4297)]