80646867

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 142248960

約数和(自身を除く): 61602093

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 83, 97, 159, 189, 249, 291, 371, 477, 581, 679, 747, 873, 1113, 1431, 1743, 2037, 2241, 2619, 3339, 4399, 5141, 5229, 6111, 8051, 10017, 13197, 15423, 15687, 18333, 24153, 30793, 35987, 39591, 46269, 56357, 72459, 92379, 107961, 118773, 138807, 169071, 217377, 277137, 323883, 426703, 507213, 831411, 971649, 1280109, 1521639, 2986921, 3840327, 8960763, 11520981, 26882289, 80646867]

約数ペア:

[(1, 80646867), (3, 26882289), (7, 11520981), (9, 8960763), (21, 3840327), (27, 2986921), (53, 1521639), (63, 1280109), (83, 971649), (97, 831411), (159, 507213), (189, 426703), (249, 323883), (291, 277137), (371, 217377), (477, 169071), (581, 138807), (679, 118773), (747, 107961), (873, 92379), (1113, 72459), (1431, 56357), (1743, 46269), (2037, 39591), (2241, 35987), (2619, 30793), (3339, 24153), (4399, 18333), (5141, 15687), (5229, 15423), (6111, 13197), (8051, 10017)]