67638123

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 116453376

約数和(自身を除く): 48815253

約数列:

[1, 3, 7, 9, 21, 47, 53, 63, 141, 159, 329, 371, 423, 431, 477, 987, 1113, 1293, 2491, 2961, 3017, 3339, 3879, 7473, 9051, 17437, 20257, 22419, 22843, 27153, 52311, 60771, 68529, 141799, 156933, 159901, 182313, 205587, 425397, 479703, 1073621, 1276191, 1439109, 3220863, 7515347, 9662589, 22546041, 67638123]

約数ペア:

[(1, 67638123), (3, 22546041), (7, 9662589), (9, 7515347), (21, 3220863), (47, 1439109), (53, 1276191), (63, 1073621), (141, 479703), (159, 425397), (329, 205587), (371, 182313), (423, 159901), (431, 156933), (477, 141799), (987, 68529), (1113, 60771), (1293, 52311), (2491, 27153), (2961, 22843), (3017, 22419), (3339, 20257), (3879, 17437), (7473, 9051)]