15919841

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1621}}^1$

素因数の和:1712

約数の個数: 16

約数和(自身を含む): 19308288

約数和(自身を除く): 3388447

約数列:

[1, 7, 23, 61, 161, 427, 1403, 1621, 9821, 11347, 37283, 98881, 260981, 692167, 2274263, 15919841]

約数ペア:

[(1, 15919841), (7, 2274263), (23, 692167), (61, 260981), (161, 98881), (427, 37283), (1403, 11347), (1621, 9821)]