28763895

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{373}}^1$

素因数の和:531

約数の個数: 32

約数和(自身を含む): 47500992

約数和(自身を除く): 18737097

約数列:

[1, 3, 5, 15, 53, 97, 159, 265, 291, 373, 485, 795, 1119, 1455, 1865, 5141, 5595, 15423, 19769, 25705, 36181, 59307, 77115, 98845, 108543, 180905, 296535, 542715, 1917593, 5752779, 9587965, 28763895]

約数ペア:

[(1, 28763895), (3, 9587965), (5, 5752779), (15, 1917593), (53, 542715), (97, 296535), (159, 180905), (265, 108543), (291, 98845), (373, 77115), (485, 59307), (795, 36181), (1119, 25705), (1455, 19769), (1865, 15423), (5141, 5595)]