28765215

素因数分解:

$3^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1669}}^1$

素因数の和:2063

約数の個数: 24

約数和(自身を含む): 50019840

約数和(自身を除く): 21254625

約数列:

[1, 3, 5, 9, 15, 45, 383, 1149, 1669, 1915, 3447, 5007, 5745, 8345, 15021, 17235, 25035, 75105, 639227, 1917681, 3196135, 5753043, 9588405, 28765215]

約数ペア:

[(1, 28765215), (3, 9588405), (5, 5753043), (9, 3196135), (15, 1917681), (45, 639227), (383, 75105), (1149, 25035), (1669, 17235), (1915, 15021), (3447, 8345), (5007, 5745)]