90900047

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{599}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 112176000

約数和(自身を除く): 21275953

約数列:

[1, 7, 19, 49, 133, 163, 599, 931, 1141, 3097, 4193, 7987, 11381, 21679, 29351, 79667, 97637, 151753, 557669, 683459, 1855103, 4784213, 12985721, 90900047]

約数ペア:

[(1, 90900047), (7, 12985721), (19, 4784213), (49, 1855103), (133, 683459), (163, 557669), (599, 151753), (931, 97637), (1141, 79667), (3097, 29351), (4193, 21679), (7987, 11381)]