15955785

素因数分解:

$3^4\times 5^1\times {\mathrm{39397}}^1$

素因数の和:39414

約数の個数: 20

約数和(自身を含む): 28602948

約数和(自身を除く): 12647163

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 39397, 118191, 196985, 354573, 590955, 1063719, 1772865, 3191157, 5318595, 15955785]

約数ペア:

[(1, 15955785), (3, 5318595), (5, 3191157), (9, 1772865), (15, 1063719), (27, 590955), (45, 354573), (81, 196985), (135, 118191), (405, 39397)]