16426215

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{653}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 31423392

約数和(自身を除く): 14997177

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 195, 215, 387, 559, 585, 645, 653, 1677, 1935, 1959, 2795, 3265, 5031, 5877, 8385, 8489, 9795, 25155, 25467, 28079, 29385, 42445, 76401, 84237, 127335, 140395, 252711, 365027, 382005, 421185, 1095081, 1263555, 1825135, 3285243, 5475405, 16426215]

約数ペア:

[(1, 16426215), (3, 5475405), (5, 3285243), (9, 1825135), (13, 1263555), (15, 1095081), (39, 421185), (43, 382005), (45, 365027), (65, 252711), (117, 140395), (129, 127335), (195, 84237), (215, 76401), (387, 42445), (559, 29385), (585, 28079), (645, 25467), (653, 25155), (1677, 9795), (1935, 8489), (1959, 8385), (2795, 5877), (3265, 5031)]