87276987

素因数分解:

$3^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1673

約数の個数: 48

約数和(自身を含む): 154173600

約数和(自身を除く): 66896613

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 123, 147, 189, 287, 369, 441, 861, 1107, 1323, 1609, 2009, 2583, 4827, 6027, 7749, 11263, 14481, 18081, 33789, 43443, 54243, 65969, 78841, 101367, 197907, 236523, 304101, 461783, 593721, 709569, 1385349, 1781163, 2128707, 3232481, 4156047, 9697443, 12468141, 29092329, 87276987]

約数ペア:

[(1, 87276987), (3, 29092329), (7, 12468141), (9, 9697443), (21, 4156047), (27, 3232481), (41, 2128707), (49, 1781163), (63, 1385349), (123, 709569), (147, 593721), (189, 461783), (287, 304101), (369, 236523), (441, 197907), (861, 101367), (1107, 78841), (1323, 65969), (1609, 54243), (2009, 43443), (2583, 33789), (4827, 18081), (6027, 14481), (7749, 11263)]