319592985

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{773}}^1$

素因数の和:1465

約数の個数: 32

約数和(自身を含む): 524734848

約数和(自身を除く): 205141863

約数列:

[1, 3, 5, 15, 43, 129, 215, 641, 645, 773, 1923, 2319, 3205, 3865, 9615, 11595, 27563, 33239, 82689, 99717, 137815, 166195, 413445, 495493, 498585, 1486479, 2477465, 7432395, 21306199, 63918597, 106530995, 319592985]

約数ペア:

[(1, 319592985), (3, 106530995), (5, 63918597), (15, 21306199), (43, 7432395), (129, 2477465), (215, 1486479), (641, 498585), (645, 495493), (773, 413445), (1923, 166195), (2319, 137815), (3205, 99717), (3865, 82689), (9615, 33239), (11595, 27563)]