28155195

素因数分解:

$3^5\times 5^1\times {\mathrm{23173}}^1$

素因数の和:23193

約数の個数: 24

約数和(自身を含む): 50612016

約数和(自身を除く): 22456821

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 23173, 69519, 115865, 208557, 347595, 625671, 1042785, 1877013, 3128355, 5631039, 9385065, 28155195]

約数ペア:

[(1, 28155195), (3, 9385065), (5, 5631039), (9, 3128355), (15, 1877013), (27, 1042785), (45, 625671), (81, 347595), (135, 208557), (243, 115865), (405, 69519), (1215, 23173)]