189861813

素因数分解:

$3^4\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:244

約数の個数: 60

約数和(自身を含む): 308323488

約数和(自身を除く): 118461675

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 129, 151, 171, 361, 387, 453, 513, 817, 1083, 1161, 1359, 1539, 2451, 2869, 3249, 3483, 4077, 6493, 7353, 8607, 9747, 12231, 15523, 19479, 22059, 25821, 29241, 46569, 54511, 58437, 66177, 77463, 123367, 139707, 163533, 175311, 232389, 370101, 419121, 490599, 525933, 1110303, 1257363, 1471797, 2343973, 3330909, 4415391, 7031919, 9992727, 21095757, 63287271, 189861813]

約数ペア:

[(1, 189861813), (3, 63287271), (9, 21095757), (19, 9992727), (27, 7031919), (43, 4415391), (57, 3330909), (81, 2343973), (129, 1471797), (151, 1257363), (171, 1110303), (361, 525933), (387, 490599), (453, 419121), (513, 370101), (817, 232389), (1083, 175311), (1161, 163533), (1359, 139707), (1539, 123367), (2451, 77463), (2869, 66177), (3249, 58437), (3483, 54511), (4077, 46569), (6493, 29241), (7353, 25821), (8607, 22059), (9747, 19479), (12231, 15523)]