2947518

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 7394400

約数和(自身を除く): 4446882

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 149, 157, 298, 314, 447, 471, 894, 942, 1043, 1099, 1341, 1413, 2086, 2198, 2682, 2826, 3129, 3297, 6258, 6594, 9387, 9891, 18774, 19782, 23393, 46786, 70179, 140358, 163751, 210537, 327502, 421074, 491253, 982506, 1473759, 2947518]

約数ペア:

[(1, 2947518), (2, 1473759), (3, 982506), (6, 491253), (7, 421074), (9, 327502), (14, 210537), (18, 163751), (21, 140358), (42, 70179), (63, 46786), (126, 23393), (149, 19782), (157, 18774), (298, 9891), (314, 9387), (447, 6594), (471, 6258), (894, 3297), (942, 3129), (1043, 2826), (1099, 2682), (1341, 2198), (1413, 2086)]