27880475

素因数分解:

$5^2\times 7^1\times {\mathrm{313}}^1\times {\mathrm{509}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 39714720

約数和(自身を除く): 11834245

約数列:

[1, 5, 7, 25, 35, 175, 313, 509, 1565, 2191, 2545, 3563, 7825, 10955, 12725, 17815, 54775, 89075, 159317, 796585, 1115219, 3982925, 5576095, 27880475]

約数ペア:

[(1, 27880475), (5, 5576095), (7, 3982925), (25, 1115219), (35, 796585), (175, 159317), (313, 89075), (509, 54775), (1565, 17815), (2191, 12725), (2545, 10955), (3563, 7825)]