171640203

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{12953}}^1$

素因数の和:13594

約数の個数: 16

約数和(自身を含む): 261981696

約数和(自身を除く): 90341493

約数列:

[1, 3, 7, 21, 631, 1893, 4417, 12953, 13251, 38859, 90671, 272013, 8173343, 24520029, 57213401, 171640203]

約数ペア:

[(1, 171640203), (3, 57213401), (7, 24520029), (21, 8173343), (631, 272013), (1893, 90671), (4417, 38859), (12953, 13251)]