172801305

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89303}}^1$

素因数の和:89357

約数の個数: 24

約数和(自身を含む): 306491328

約数和(自身を除く): 133690023

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 89303, 267909, 446515, 803727, 1339545, 3840029, 4018635, 11520087, 19200145, 34560261, 57600435, 172801305]

約数ペア:

[(1, 172801305), (3, 57600435), (5, 34560261), (9, 19200145), (15, 11520087), (43, 4018635), (45, 3840029), (129, 1339545), (215, 803727), (387, 446515), (645, 267909), (1935, 89303)]