855225

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{181}}^1$

素因数の和:207

約数の個数: 48

約数和(自身を含む): 1805440

約数和(自身を除く): 950215

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 135, 175, 181, 189, 225, 315, 525, 543, 675, 905, 945, 1267, 1575, 1629, 2715, 3801, 4525, 4725, 4887, 6335, 8145, 11403, 13575, 19005, 24435, 31675, 34209, 40725, 57015, 95025, 122175, 171045, 285075, 855225]

約数ペア:

[(1, 855225), (3, 285075), (5, 171045), (7, 122175), (9, 95025), (15, 57015), (21, 40725), (25, 34209), (27, 31675), (35, 24435), (45, 19005), (63, 13575), (75, 11403), (105, 8145), (135, 6335), (175, 4887), (181, 4725), (189, 4525), (225, 3801), (315, 2715), (525, 1629), (543, 1575), (675, 1267), (905, 945)]