129687291

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{154943}}^1$

素因数の和:154983

約数の個数: 16

約数和(自身を含む): 198328320

約数和(自身を除く): 68641029

約数列:

[1, 3, 9, 27, 31, 93, 279, 837, 154943, 464829, 1394487, 4183461, 4803233, 14409699, 43229097, 129687291]

約数ペア:

[(1, 129687291), (3, 43229097), (9, 14409699), (27, 4803233), (31, 4183461), (93, 1394487), (279, 464829), (837, 154943)]