131454995

素因数分解:

$5^1\times 7^2\times {\mathrm{331}}^1\times {\mathrm{1621}}^1$

素因数の和:1971

約数の個数: 24

約数和(自身を含む): 184168368

約数和(自身を除く): 52713373

約数列:

[1, 5, 7, 35, 49, 245, 331, 1621, 1655, 2317, 8105, 11347, 11585, 16219, 56735, 79429, 81095, 397145, 536551, 2682755, 3755857, 18779285, 26290999, 131454995]

約数ペア:

[(1, 131454995), (5, 26290999), (7, 18779285), (35, 3755857), (49, 2682755), (245, 536551), (331, 397145), (1621, 81095), (1655, 79429), (2317, 56735), (8105, 16219), (11347, 11585)]