1369375

素因数分解:

$5^4\times 7^1\times {\mathrm{313}}^1$

素因数の和:340

約数の個数: 20

約数和(自身を含む): 1961872

約数和(自身を除く): 592497

約数列:

[1, 5, 7, 25, 35, 125, 175, 313, 625, 875, 1565, 2191, 4375, 7825, 10955, 39125, 54775, 195625, 273875, 1369375]

約数ペア:

[(1, 1369375), (5, 273875), (7, 195625), (25, 54775), (35, 39125), (125, 10955), (175, 7825), (313, 4375), (625, 2191), (875, 1565)]