28551789

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{503}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 50948352

約数和(自身を除く): 22396563

約数列:

[1, 3, 7, 9, 17, 21, 51, 53, 63, 119, 153, 159, 357, 371, 477, 503, 901, 1071, 1113, 1509, 2703, 3339, 3521, 4527, 6307, 8109, 8551, 10563, 18921, 25653, 26659, 31689, 56763, 59857, 76959, 79977, 179571, 186613, 239931, 453203, 538713, 559839, 1359609, 1679517, 3172421, 4078827, 9517263, 28551789]

約数ペア:

[(1, 28551789), (3, 9517263), (7, 4078827), (9, 3172421), (17, 1679517), (21, 1359609), (51, 559839), (53, 538713), (63, 453203), (119, 239931), (153, 186613), (159, 179571), (357, 79977), (371, 76959), (477, 59857), (503, 56763), (901, 31689), (1071, 26659), (1113, 25653), (1509, 18921), (2703, 10563), (3339, 8551), (3521, 8109), (4527, 6307)]