81724818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1381}}^1\times {\mathrm{1409}}^1$

素因数の和:2802

約数の個数: 32

約数和(自身を含む): 187067520

約数和(自身を除く): 105342702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1381, 1409, 2762, 2818, 4143, 4227, 8286, 8454, 9667, 9863, 19334, 19726, 29001, 29589, 58002, 59178, 1945829, 3891658, 5837487, 11674974, 13620803, 27241606, 40862409, 81724818]

約数ペア:

[(1, 81724818), (2, 40862409), (3, 27241606), (6, 13620803), (7, 11674974), (14, 5837487), (21, 3891658), (42, 1945829), (1381, 59178), (1409, 58002), (2762, 29589), (2818, 29001), (4143, 19726), (4227, 19334), (8286, 9863), (8454, 9667)]