156916221

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1$

素因数の和:314

約数の個数: 64

約数和(自身を含む): 270950400

約数和(自身を除く): 114034179

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 97, 141, 149, 231, 291, 329, 447, 517, 679, 987, 1043, 1067, 1551, 1639, 2037, 3129, 3201, 3619, 4559, 4917, 7003, 7469, 10857, 11473, 13677, 14453, 21009, 22407, 31913, 34419, 43359, 49021, 50149, 77033, 95739, 101171, 147063, 150447, 158983, 231099, 303513, 351043, 476949, 539231, 679291, 1053129, 1112881, 1617693, 2037873, 3338643, 4755037, 7472201, 14265111, 22416603, 52305407, 156916221]

約数ペア:

[(1, 156916221), (3, 52305407), (7, 22416603), (11, 14265111), (21, 7472201), (33, 4755037), (47, 3338643), (77, 2037873), (97, 1617693), (141, 1112881), (149, 1053129), (231, 679291), (291, 539231), (329, 476949), (447, 351043), (517, 303513), (679, 231099), (987, 158983), (1043, 150447), (1067, 147063), (1551, 101171), (1639, 95739), (2037, 77033), (3129, 50149), (3201, 49021), (3619, 43359), (4559, 34419), (4917, 31913), (7003, 22407), (7469, 21009), (10857, 14453), (11473, 13677)]