81117918

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1217}}^1$

素因数の和:1278

約数の個数: 72

約数和(自身を含む): 210148848

約数和(自身を除く): 129030930

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 63, 69, 126, 138, 161, 207, 322, 414, 483, 529, 966, 1058, 1217, 1449, 1587, 2434, 2898, 3174, 3651, 3703, 4761, 7302, 7406, 8519, 9522, 10953, 11109, 17038, 21906, 22218, 25557, 27991, 33327, 51114, 55982, 66654, 76671, 83973, 153342, 167946, 195937, 251919, 391874, 503838, 587811, 643793, 1175622, 1287586, 1763433, 1931379, 3526866, 3862758, 4506551, 5794137, 9013102, 11588274, 13519653, 27039306, 40558959, 81117918]

約数ペア:

[(1, 81117918), (2, 40558959), (3, 27039306), (6, 13519653), (7, 11588274), (9, 9013102), (14, 5794137), (18, 4506551), (21, 3862758), (23, 3526866), (42, 1931379), (46, 1763433), (63, 1287586), (69, 1175622), (126, 643793), (138, 587811), (161, 503838), (207, 391874), (322, 251919), (414, 195937), (483, 167946), (529, 153342), (966, 83973), (1058, 76671), (1217, 66654), (1449, 55982), (1587, 51114), (2434, 33327), (2898, 27991), (3174, 25557), (3651, 22218), (3703, 21906), (4761, 17038), (7302, 11109), (7406, 10953), (8519, 9522)]