201998025

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47251}}^1$

素因数の和:47286

約数の個数: 36

約数和(自身を含む): 380851120

約数和(自身を除く): 178853095

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4275, 47251, 141753, 236255, 425259, 708765, 897769, 1181275, 2126295, 2693307, 3543825, 4488845, 8079921, 10631475, 13466535, 22444225, 40399605, 67332675, 201998025]

約数ペア:

[(1, 201998025), (3, 67332675), (5, 40399605), (9, 22444225), (15, 13466535), (19, 10631475), (25, 8079921), (45, 4488845), (57, 3543825), (75, 2693307), (95, 2126295), (171, 1181275), (225, 897769), (285, 708765), (475, 425259), (855, 236255), (1425, 141753), (4275, 47251)]