28650915

素因数分解:

$3^5\times 5^1\times {\mathrm{23581}}^1$

素因数の和:23601

約数の個数: 24

約数和(自身を含む): 51503088

約数和(自身を除く): 22852173

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 23581, 70743, 117905, 212229, 353715, 636687, 1061145, 1910061, 3183435, 5730183, 9550305, 28650915]

約数ペア:

[(1, 28650915), (3, 9550305), (5, 5730183), (9, 3183435), (15, 1910061), (27, 1061145), (45, 636687), (81, 353715), (135, 212229), (243, 117905), (405, 70743), (1215, 23581)]