28158669

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{227}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 51217920

約数和(自身を除く): 23059251

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 179, 227, 231, 537, 681, 693, 1253, 1589, 1611, 1969, 2043, 2497, 3759, 4767, 5907, 7491, 11277, 13783, 14301, 17479, 17721, 22473, 40633, 41349, 52437, 121899, 124047, 157311, 284431, 365697, 446963, 853293, 1340889, 2559879, 3128741, 4022667, 9386223, 28158669]

約数ペア:

[(1, 28158669), (3, 9386223), (7, 4022667), (9, 3128741), (11, 2559879), (21, 1340889), (33, 853293), (63, 446963), (77, 365697), (99, 284431), (179, 157311), (227, 124047), (231, 121899), (537, 52437), (681, 41349), (693, 40633), (1253, 22473), (1589, 17721), (1611, 17479), (1969, 14301), (2043, 13783), (2497, 11277), (3759, 7491), (4767, 5907)]