28880295

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{863}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 48771072

約数和(自身を除く): 19890777

約数列:

[1, 3, 5, 15, 23, 69, 97, 115, 291, 345, 485, 863, 1455, 2231, 2589, 4315, 6693, 11155, 12945, 19849, 33465, 59547, 83711, 99245, 251133, 297735, 418555, 1255665, 1925353, 5776059, 9626765, 28880295]

約数ペア:

[(1, 28880295), (3, 9626765), (5, 5776059), (15, 1925353), (23, 1255665), (69, 418555), (97, 297735), (115, 251133), (291, 99245), (345, 83711), (485, 59547), (863, 33465), (1455, 19849), (2231, 12945), (2589, 11155), (4315, 6693)]