28174905

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18973}}^1$

素因数の和:18998

約数の個数: 32

約数和(自身を含む): 54645120

約数和(自身を除く): 26470215

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 18973, 56919, 94865, 170757, 208703, 284595, 512271, 626109, 853785, 1043515, 1878327, 2561355, 3130545, 5634981, 9391635, 28174905]

約数ペア:

[(1, 28174905), (3, 9391635), (5, 5634981), (9, 3130545), (11, 2561355), (15, 1878327), (27, 1043515), (33, 853785), (45, 626109), (55, 512271), (99, 284595), (135, 208703), (165, 170757), (297, 94865), (495, 56919), (1485, 18973)]