9840875

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 14219712

約数和(自身を除く): 4378837

約数列:

[1, 5, 11, 17, 25, 55, 85, 125, 187, 275, 421, 425, 935, 1375, 2105, 2125, 4631, 4675, 7157, 10525, 23155, 23375, 35785, 52625, 78727, 115775, 178925, 393635, 578875, 894625, 1968175, 9840875]

約数ペア:

[(1, 9840875), (5, 1968175), (11, 894625), (17, 578875), (25, 393635), (55, 178925), (85, 115775), (125, 78727), (187, 52625), (275, 35785), (421, 23375), (425, 23155), (935, 10525), (1375, 7157), (2105, 4675), (2125, 4631)]