42128793

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{23059}}^1$

素因数の和:23101

約数の個数: 24

約数和(自身を含む): 71947200

約数和(自身を除く): 29818407

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 23059, 69177, 161413, 207531, 484239, 668711, 1452717, 2006133, 4680977, 6018399, 14042931, 42128793]

約数ペア:

[(1, 42128793), (3, 14042931), (7, 6018399), (9, 4680977), (21, 2006133), (29, 1452717), (63, 668711), (87, 484239), (203, 207531), (261, 161413), (609, 69177), (1827, 23059)]