211344357

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{4259}}^1$

素因数の和:4425

約数の個数: 32

約数和(自身を含む): 343526400

約数和(自身を除く): 132182043

約数列:

[1, 3, 7, 17, 21, 51, 119, 139, 357, 417, 973, 2363, 2919, 4259, 7089, 12777, 16541, 29813, 49623, 72403, 89439, 217209, 506821, 592001, 1520463, 1776003, 4144007, 10064017, 12432021, 30192051, 70448119, 211344357]

約数ペア:

[(1, 211344357), (3, 70448119), (7, 30192051), (17, 12432021), (21, 10064017), (51, 4144007), (119, 1776003), (139, 1520463), (357, 592001), (417, 506821), (973, 217209), (2363, 89439), (2919, 72403), (4259, 49623), (7089, 29813), (12777, 16541)]