42878979

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{33317}}^1$

素因数の和:33347

約数の個数: 24

約数和(自身を含む): 72766512

約数和(自身を除く): 29887533

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 143, 429, 1287, 33317, 99951, 299853, 366487, 433121, 1099461, 1299363, 3298383, 3898089, 4764331, 14292993, 42878979]

約数ペア:

[(1, 42878979), (3, 14292993), (9, 4764331), (11, 3898089), (13, 3298383), (33, 1299363), (39, 1099461), (99, 433121), (117, 366487), (143, 299853), (429, 99951), (1287, 33317)]