18448425

素因数分解:

$3^3\times 5^2\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 34303360

約数和(自身を除く): 15854935

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 151, 181, 225, 453, 543, 675, 755, 905, 1359, 1629, 2265, 2715, 3775, 4077, 4525, 4887, 6795, 8145, 11325, 13575, 20385, 24435, 27331, 33975, 40725, 81993, 101925, 122175, 136655, 245979, 409965, 683275, 737937, 1229895, 2049825, 3689685, 6149475, 18448425]

約数ペア:

[(1, 18448425), (3, 6149475), (5, 3689685), (9, 2049825), (15, 1229895), (25, 737937), (27, 683275), (45, 409965), (75, 245979), (135, 136655), (151, 122175), (181, 101925), (225, 81993), (453, 40725), (543, 33975), (675, 27331), (755, 24435), (905, 20385), (1359, 13575), (1629, 11325), (2265, 8145), (2715, 6795), (3775, 4887), (4077, 4525)]