28896165

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27919}}^1$

素因数の和:27953

約数の個数: 24

約数和(自身を含む): 52266240

約数和(自身を除く): 23370075

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27919, 83757, 139595, 251271, 418785, 642137, 1256355, 1926411, 3210685, 5779233, 9632055, 28896165]

約数ペア:

[(1, 28896165), (3, 9632055), (5, 5779233), (9, 3210685), (15, 1926411), (23, 1256355), (45, 642137), (69, 418785), (115, 251271), (207, 139595), (345, 83757), (1035, 27919)]