28231359

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 44083200

約数和(自身を除く): 15851841

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 247, 403, 589, 741, 1209, 1229, 1767, 3687, 7657, 15977, 22971, 23351, 38099, 47931, 70053, 114297, 303563, 495287, 723881, 910689, 1485861, 2171643, 9410453, 28231359]

約数ペア:

[(1, 28231359), (3, 9410453), (13, 2171643), (19, 1485861), (31, 910689), (39, 723881), (57, 495287), (93, 303563), (247, 114297), (403, 70053), (589, 47931), (741, 38099), (1209, 23351), (1229, 22971), (1767, 15977), (3687, 7657)]