18015075

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2053}}^1$

素因数の和:2085

約数の個数: 48

約数和(自身を含む): 35657440

約数和(自身を除く): 17642365

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 135, 195, 225, 325, 351, 585, 675, 975, 1755, 2053, 2925, 6159, 8775, 10265, 18477, 26689, 30795, 51325, 55431, 80067, 92385, 133445, 153975, 240201, 277155, 400335, 461925, 667225, 720603, 1201005, 1385775, 2001675, 3603015, 6005025, 18015075]

約数ペア:

[(1, 18015075), (3, 6005025), (5, 3603015), (9, 2001675), (13, 1385775), (15, 1201005), (25, 720603), (27, 667225), (39, 461925), (45, 400335), (65, 277155), (75, 240201), (117, 153975), (135, 133445), (195, 92385), (225, 80067), (325, 55431), (351, 51325), (585, 30795), (675, 26689), (975, 18477), (1755, 10265), (2053, 8775), (2925, 6159)]