39278187

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17669}}^1$

素因数の和:17707

約数の個数: 24

約数和(自身を含む): 64318800

約数和(自身を除く): 25040613

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 17669, 53007, 159021, 229697, 335711, 689091, 1007133, 2067273, 3021399, 4364243, 13092729, 39278187]

約数ペア:

[(1, 39278187), (3, 13092729), (9, 4364243), (13, 3021399), (19, 2067273), (39, 1007133), (57, 689091), (117, 335711), (171, 229697), (247, 159021), (741, 53007), (2223, 17669)]