279796875

素因数分解:

$3^1\times 5^6\times {\mathrm{47}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 56

約数和(自身を含む): 479993856

約数和(自身を除く): 200196981

約数列:

[1, 3, 5, 15, 25, 47, 75, 125, 127, 141, 235, 375, 381, 625, 635, 705, 1175, 1875, 1905, 3125, 3175, 3525, 5875, 5969, 9375, 9525, 15625, 15875, 17625, 17907, 29375, 29845, 46875, 47625, 79375, 88125, 89535, 146875, 149225, 238125, 396875, 440625, 447675, 734375, 746125, 1190625, 1984375, 2203125, 2238375, 3730625, 5953125, 11191875, 18653125, 55959375, 93265625, 279796875]

約数ペア:

[(1, 279796875), (3, 93265625), (5, 55959375), (15, 18653125), (25, 11191875), (47, 5953125), (75, 3730625), (125, 2238375), (127, 2203125), (141, 1984375), (235, 1190625), (375, 746125), (381, 734375), (625, 447675), (635, 440625), (705, 396875), (1175, 238125), (1875, 149225), (1905, 146875), (3125, 89535), (3175, 88125), (3525, 79375), (5875, 47625), (5969, 46875), (9375, 29845), (9525, 29375), (15625, 17907), (15875, 17625)]