28444815

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1237}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 57165888

約数和(自身を除く): 28721073

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 73, 105, 219, 315, 365, 511, 657, 1095, 1237, 1533, 2555, 3285, 3711, 4599, 6185, 7665, 8659, 11133, 18555, 22995, 25977, 43295, 55665, 77931, 90301, 129885, 270903, 389655, 451505, 632107, 812709, 1354515, 1896321, 3160535, 4063545, 5688963, 9481605, 28444815]

約数ペア:

[(1, 28444815), (3, 9481605), (5, 5688963), (7, 4063545), (9, 3160535), (15, 1896321), (21, 1354515), (35, 812709), (45, 632107), (63, 451505), (73, 389655), (105, 270903), (219, 129885), (315, 90301), (365, 77931), (511, 55665), (657, 43295), (1095, 25977), (1237, 22995), (1533, 18555), (2555, 11133), (3285, 8659), (3711, 7665), (4599, 6185)]