81869886

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{30941}}^1$

素因数の和:30966

約数の個数: 48

約数和(自身を含む): 211643280

約数和(自身を除く): 129773394

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 30941, 61882, 92823, 185646, 216587, 278469, 433174, 556938, 649761, 835407, 1299522, 1516109, 1670814, 1949283, 3032218, 3898566, 4548327, 5847849, 9096654, 11695698, 13644981, 27289962, 40934943, 81869886]

約数ペア:

[(1, 81869886), (2, 40934943), (3, 27289962), (6, 13644981), (7, 11695698), (9, 9096654), (14, 5847849), (18, 4548327), (21, 3898566), (27, 3032218), (42, 1949283), (49, 1670814), (54, 1516109), (63, 1299522), (98, 835407), (126, 649761), (147, 556938), (189, 433174), (294, 278469), (378, 216587), (441, 185646), (882, 92823), (1323, 61882), (2646, 30941)]