28023345

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 57620160

約数和(自身を除く): 29596815

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 71, 105, 147, 179, 213, 245, 315, 355, 441, 497, 537, 639, 735, 895, 1065, 1253, 1491, 1611, 2205, 2485, 2685, 3195, 3479, 3759, 4473, 6265, 7455, 8055, 8771, 10437, 11277, 12709, 17395, 18795, 22365, 26313, 31311, 38127, 43855, 52185, 56385, 63545, 78939, 88963, 114381, 131565, 156555, 190635, 266889, 394695, 444815, 571905, 622741, 800667, 1334445, 1868223, 3113705, 4003335, 5604669, 9341115, 28023345]

約数ペア:

[(1, 28023345), (3, 9341115), (5, 5604669), (7, 4003335), (9, 3113705), (15, 1868223), (21, 1334445), (35, 800667), (45, 622741), (49, 571905), (63, 444815), (71, 394695), (105, 266889), (147, 190635), (179, 156555), (213, 131565), (245, 114381), (315, 88963), (355, 78939), (441, 63545), (497, 56385), (537, 52185), (639, 43855), (735, 38127), (895, 31311), (1065, 26313), (1253, 22365), (1491, 18795), (1611, 17395), (2205, 12709), (2485, 11277), (2685, 10437), (3195, 8771), (3479, 8055), (3759, 7455), (4473, 6265)]