207638475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{647}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 376047360

約数和(自身を除く): 168408885

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 165, 275, 389, 647, 825, 1167, 1941, 1945, 3235, 4279, 5835, 7117, 9705, 9725, 12837, 16175, 21351, 21395, 29175, 35585, 48525, 64185, 106755, 106975, 177925, 251683, 320925, 533775, 755049, 1258415, 2768513, 3775245, 6292075, 8305539, 13842565, 18876225, 41527695, 69212825, 207638475]

約数ペア:

[(1, 207638475), (3, 69212825), (5, 41527695), (11, 18876225), (15, 13842565), (25, 8305539), (33, 6292075), (55, 3775245), (75, 2768513), (165, 1258415), (275, 755049), (389, 533775), (647, 320925), (825, 251683), (1167, 177925), (1941, 106975), (1945, 106755), (3235, 64185), (4279, 48525), (5835, 35585), (7117, 29175), (9705, 21395), (9725, 21351), (12837, 16175)]