28749669

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 44239104

約数和(自身を除く): 15489435

約数列:

[1, 3, 13, 17, 39, 51, 103, 221, 309, 421, 663, 1263, 1339, 1751, 4017, 5253, 5473, 7157, 16419, 21471, 22763, 43363, 68289, 93041, 130089, 279123, 563719, 737171, 1691157, 2211513, 9583223, 28749669]

約数ペア:

[(1, 28749669), (3, 9583223), (13, 2211513), (17, 1691157), (39, 737171), (51, 563719), (103, 279123), (221, 130089), (309, 93041), (421, 68289), (663, 43363), (1263, 22763), (1339, 21471), (1751, 16419), (4017, 7157), (5253, 5473)]