204064875

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{25913}}^1$

素因数の和:25941

約数の個数: 48

約数和(自身を含む): 420428736

約数和(自身を除く): 216363861

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 105, 125, 175, 225, 315, 375, 525, 875, 1125, 1575, 2625, 7875, 25913, 77739, 129565, 181391, 233217, 388695, 544173, 647825, 906955, 1166085, 1632519, 1943475, 2720865, 3239125, 4534775, 5830425, 8162595, 9717375, 13604325, 22673875, 29152125, 40812975, 68021625, 204064875]

約数ペア:

[(1, 204064875), (3, 68021625), (5, 40812975), (7, 29152125), (9, 22673875), (15, 13604325), (21, 9717375), (25, 8162595), (35, 5830425), (45, 4534775), (63, 3239125), (75, 2720865), (105, 1943475), (125, 1632519), (175, 1166085), (225, 906955), (315, 647825), (375, 544173), (525, 388695), (875, 233217), (1125, 181391), (1575, 129565), (2625, 77739), (7875, 25913)]