128974221

素因数分解:

$3^3\times {\mathrm{619}}^1\times {\mathrm{7717}}^1$

素因数の和:8345

約数の個数: 16

約数和(自身を含む): 191406400

約数和(自身を除く): 62432179

約数列:

[1, 3, 9, 27, 619, 1857, 5571, 7717, 16713, 23151, 69453, 208359, 4776823, 14330469, 42991407, 128974221]

約数ペア:

[(1, 128974221), (3, 42991407), (9, 14330469), (27, 4776823), (619, 208359), (1857, 69453), (5571, 23151), (7717, 16713)]