128840409

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{116387}}^1$

素因数の和:116437

約数の個数: 16

約数和(自身を含む): 195531840

約数和(自身を除く): 66691431

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 116387, 349161, 1047483, 3142449, 4771867, 14315601, 42946803, 128840409]

約数ペア:

[(1, 128840409), (3, 42946803), (9, 14315601), (27, 4771867), (41, 3142449), (123, 1047483), (369, 349161), (1107, 116387)]