28164915

素因数分解:

$3^6\times 5^1\times {\mathrm{7727}}^1$

素因数の和:7750

約数の個数: 28

約数和(自身を含む): 50680224

約数和(自身を除く): 22515309

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 7727, 23181, 38635, 69543, 115905, 208629, 347715, 625887, 1043145, 1877661, 3129435, 5632983, 9388305, 28164915]

約数ペア:

[(1, 28164915), (3, 9388305), (5, 5632983), (9, 3129435), (15, 1877661), (27, 1043145), (45, 625887), (81, 347715), (135, 208629), (243, 115905), (405, 69543), (729, 38635), (1215, 23181), (3645, 7727)]