1389087

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1297}}^1$

素因数の和:1327

約数の個数: 24

約数和(自身を含む): 2429856

約数和(自身を除く): 1040769

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 1297, 3891, 9079, 11673, 22049, 27237, 66147, 81711, 154343, 198441, 463029, 1389087]

約数ペア:

[(1, 1389087), (3, 463029), (7, 198441), (9, 154343), (17, 81711), (21, 66147), (51, 27237), (63, 22049), (119, 11673), (153, 9079), (357, 3891), (1071, 1297)]