1991675

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{599}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 2976000

約数和(自身を除く): 984325

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 599, 665, 2995, 3325, 4193, 11381, 14975, 20965, 56905, 79667, 104825, 284525, 398335, 1991675]

約数ペア:

[(1, 1991675), (5, 398335), (7, 284525), (19, 104825), (25, 79667), (35, 56905), (95, 20965), (133, 14975), (175, 11381), (475, 4193), (599, 3325), (665, 2995)]