201664197

素因数分解:

$3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{18503}}^1$

素因数の和:18689

約数の個数: 24

約数和(自身を含む): 334848384

約数和(自身を除く): 133184187

約数列:

[1, 3, 7, 9, 21, 63, 173, 519, 1211, 1557, 3633, 10899, 18503, 55509, 129521, 166527, 388563, 1165689, 3201019, 9603057, 22407133, 28809171, 67221399, 201664197]

約数ペア:

[(1, 201664197), (3, 67221399), (7, 28809171), (9, 22407133), (21, 9603057), (63, 3201019), (173, 1165689), (519, 388563), (1211, 166527), (1557, 129521), (3633, 55509), (10899, 18503)]