18690165

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{743}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 35747712

約数和(自身を除く): 17057547

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 195, 215, 387, 559, 585, 645, 743, 1677, 1935, 2229, 2795, 3715, 5031, 6687, 8385, 9659, 11145, 25155, 28977, 31949, 33435, 48295, 86931, 95847, 144885, 159745, 287541, 415337, 434655, 479235, 1246011, 1437705, 2076685, 3738033, 6230055, 18690165]

約数ペア:

[(1, 18690165), (3, 6230055), (5, 3738033), (9, 2076685), (13, 1437705), (15, 1246011), (39, 479235), (43, 434655), (45, 415337), (65, 287541), (117, 159745), (129, 144885), (195, 95847), (215, 86931), (387, 48295), (559, 33435), (585, 31949), (645, 28977), (743, 25155), (1677, 11145), (1935, 9659), (2229, 8385), (2795, 6687), (3715, 5031)]