289771383

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{3251}}^1$

素因数の和:3375

約数の個数: 32

約数和(自身を含む): 438941952

約数和(自身を除く): 149170569

約数列:

[1, 3, 11, 33, 37, 73, 111, 219, 407, 803, 1221, 2409, 2701, 3251, 8103, 9753, 29711, 35761, 89133, 107283, 120287, 237323, 360861, 711969, 1323157, 2610553, 3969471, 7831659, 8780951, 26342853, 96590461, 289771383]

約数ペア:

[(1, 289771383), (3, 96590461), (11, 26342853), (33, 8780951), (37, 7831659), (73, 3969471), (111, 2610553), (219, 1323157), (407, 711969), (803, 360861), (1221, 237323), (2409, 120287), (2701, 107283), (3251, 89133), (8103, 35761), (9753, 29711)]