72872115

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{285773}}^1$

素因数の和:285798

約数の個数: 16

約数和(自身を含む): 123454368

約数和(自身を除く): 50582253

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 285773, 857319, 1428865, 4286595, 4858141, 14574423, 24290705, 72872115]

約数ペア:

[(1, 72872115), (3, 24290705), (5, 14574423), (15, 4858141), (17, 4286595), (51, 1428865), (85, 857319), (255, 285773)]