26957325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{21143}}^1$

素因数の和:21173

約数の個数: 24

約数和(自身を含む): 47193408

約数和(自身を除く): 20236083

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 21143, 63429, 105715, 317145, 359431, 528575, 1078293, 1585725, 1797155, 5391465, 8985775, 26957325]

約数ペア:

[(1, 26957325), (3, 8985775), (5, 5391465), (15, 1797155), (17, 1585725), (25, 1078293), (51, 528575), (75, 359431), (85, 317145), (255, 105715), (425, 63429), (1275, 21143)]