18181215

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31079}}^1$

素因数の和:31103

約数の個数: 24

約数和(自身を含む): 33939360

約数和(自身を除く): 15758145

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 31079, 93237, 155395, 279711, 404027, 466185, 1212081, 1398555, 2020135, 3636243, 6060405, 18181215]

約数ペア:

[(1, 18181215), (3, 6060405), (5, 3636243), (9, 2020135), (13, 1398555), (15, 1212081), (39, 466185), (45, 404027), (65, 279711), (117, 155395), (195, 93237), (585, 31079)]