28015371

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{10771}}^1$

素因数の和:10811

約数の個数: 18

約数和(自身を含む): 42991052

約数和(自身を除く): 14975681

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 10771, 32313, 96939, 183107, 549321, 1647963, 3112819, 9338457, 28015371]

約数ペア:

[(1, 28015371), (3, 9338457), (9, 3112819), (17, 1647963), (51, 549321), (153, 183107), (289, 96939), (867, 32313), (2601, 10771)]