28787685

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61909}}^1$

素因数の和:61948

約数の個数: 16

約数和(自身を含む): 47546880

約数和(自身を除く): 18759195

約数列:

[1, 3, 5, 15, 31, 93, 155, 465, 61909, 185727, 309545, 928635, 1919179, 5757537, 9595895, 28787685]

約数ペア:

[(1, 28787685), (3, 9595895), (5, 5757537), (15, 1919179), (31, 928635), (93, 309545), (155, 185727), (465, 61909)]