66675861

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{7103}}^1$

素因数の和:7265

約数の個数: 24

約数和(自身を含む): 110822400

約数和(自身を除く): 44146539

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 7103, 9387, 21309, 49721, 63927, 149163, 447489, 1058347, 3175041, 7408429, 9525123, 22225287, 66675861]

約数ペア:

[(1, 66675861), (3, 22225287), (7, 9525123), (9, 7408429), (21, 3175041), (63, 1058347), (149, 447489), (447, 149163), (1043, 63927), (1341, 49721), (3129, 21309), (7103, 9387)]