28533687

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5501}}^1$

素因数の和:5543

約数の個数: 32

約数和(自身を含む): 49297920

約数和(自身を除く): 20764233

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 399, 741, 1729, 5187, 5501, 16503, 38507, 71513, 104519, 115521, 214539, 313557, 500591, 731633, 1358747, 1501773, 2194899, 4076241, 9511229, 28533687]

約数ペア:

[(1, 28533687), (3, 9511229), (7, 4076241), (13, 2194899), (19, 1501773), (21, 1358747), (39, 731633), (57, 500591), (91, 313557), (133, 214539), (247, 115521), (273, 104519), (399, 71513), (741, 38507), (1729, 16503), (5187, 5501)]