215898165

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{547}}^1$

素因数の和:751

約数の個数: 72

約数和(自身を含む): 438553440

約数和(自身を除く): 222655275

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 179, 245, 315, 441, 537, 547, 735, 895, 1253, 1611, 1641, 2205, 2685, 2735, 3759, 3829, 4923, 6265, 8055, 8205, 8771, 11277, 11487, 18795, 19145, 24615, 26313, 26803, 34461, 43855, 56385, 57435, 78939, 80409, 97913, 131565, 134015, 172305, 241227, 293739, 394695, 402045, 489565, 685391, 881217, 1206135, 1468695, 2056173, 3426955, 4406085, 4797737, 6168519, 10280865, 14393211, 23988685, 30842595, 43179633, 71966055, 215898165]

約数ペア:

[(1, 215898165), (3, 71966055), (5, 43179633), (7, 30842595), (9, 23988685), (15, 14393211), (21, 10280865), (35, 6168519), (45, 4797737), (49, 4406085), (63, 3426955), (105, 2056173), (147, 1468695), (179, 1206135), (245, 881217), (315, 685391), (441, 489565), (537, 402045), (547, 394695), (735, 293739), (895, 241227), (1253, 172305), (1611, 134015), (1641, 131565), (2205, 97913), (2685, 80409), (2735, 78939), (3759, 57435), (3829, 56385), (4923, 43855), (6265, 34461), (8055, 26803), (8205, 26313), (8771, 24615), (11277, 19145), (11487, 18795)]