12856041

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 21565440

約数和(自身を除く): 8709399

約数列:

[1, 3, 9, 11, 31, 33, 59, 71, 93, 99, 177, 213, 279, 341, 531, 639, 649, 781, 1023, 1829, 1947, 2201, 2343, 3069, 4189, 5487, 5841, 6603, 7029, 12567, 16461, 19809, 20119, 24211, 37701, 46079, 60357, 72633, 129859, 138237, 181071, 217899, 389577, 414711, 1168731, 1428449, 4285347, 12856041]

約数ペア:

[(1, 12856041), (3, 4285347), (9, 1428449), (11, 1168731), (31, 414711), (33, 389577), (59, 217899), (71, 181071), (93, 138237), (99, 129859), (177, 72633), (213, 60357), (279, 46079), (341, 37701), (531, 24211), (639, 20119), (649, 19809), (781, 16461), (1023, 12567), (1829, 7029), (1947, 6603), (2201, 5841), (2343, 5487), (3069, 4189)]