291233421

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{136537}}^1$

素因数の和:136625

約数の個数: 16

約数和(自身を含む): 436921600

約数和(自身を除く): 145688179

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 136537, 409611, 1228833, 3686499, 10786423, 32359269, 97077807, 291233421]

約数ペア:

[(1, 291233421), (3, 97077807), (9, 32359269), (27, 10786423), (79, 3686499), (237, 1228833), (711, 409611), (2133, 136537)]