201721625

素因数分解:

$5^3\times 7^1\times {\mathrm{230539}}^1$

素因数の和:230561

約数の個数: 16

約数和(自身を含む): 287713920

約数和(自身を除く): 85992295

約数列:

[1, 5, 7, 25, 35, 125, 175, 875, 230539, 1152695, 1613773, 5763475, 8068865, 28817375, 40344325, 201721625]

約数ペア:

[(1, 201721625), (5, 40344325), (7, 28817375), (25, 8068865), (35, 5763475), (125, 1613773), (175, 1152695), (875, 230539)]