15891345

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20773}}^1$

素因数の和:20801

約数の個数: 24

約数和(自身を含む): 29166696

約数和(自身を除く): 13275351

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 20773, 62319, 103865, 186957, 311595, 353141, 934785, 1059423, 1765705, 3178269, 5297115, 15891345]

約数ペア:

[(1, 15891345), (3, 5297115), (5, 3178269), (9, 1765705), (15, 1059423), (17, 934785), (45, 353141), (51, 311595), (85, 186957), (153, 103865), (255, 62319), (765, 20773)]