1921000275

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{198553}}^1$

素因数の和:198612

約数の個数: 36

約数和(自身を含む): 3520759528

約数和(自身を除く): 1599759253

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3225, 9675, 198553, 595659, 992765, 1786977, 2978295, 4963825, 8537779, 8934885, 14891475, 25613337, 42688895, 44674425, 76840011, 128066685, 213444475, 384200055, 640333425, 1921000275]

約数ペア:

[(1, 1921000275), (3, 640333425), (5, 384200055), (9, 213444475), (15, 128066685), (25, 76840011), (43, 44674425), (45, 42688895), (75, 25613337), (129, 14891475), (215, 8934885), (225, 8537779), (387, 4963825), (645, 2978295), (1075, 1786977), (1935, 992765), (3225, 595659), (9675, 198553)]