210322959

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{821}}^1\times {\mathrm{1109}}^1$

素因数の和:1951

約数の個数: 32

約数和(自身を含む): 350369280

約数和(自身を除く): 140046321

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 821, 1109, 2463, 3327, 5747, 7763, 9031, 12199, 17241, 23289, 27093, 36597, 63217, 85393, 189651, 256179, 910489, 2731467, 6373423, 10015379, 19120269, 30046137, 70107653, 210322959]

約数ペア:

[(1, 210322959), (3, 70107653), (7, 30046137), (11, 19120269), (21, 10015379), (33, 6373423), (77, 2731467), (231, 910489), (821, 256179), (1109, 189651), (2463, 85393), (3327, 63217), (5747, 36597), (7763, 27093), (9031, 23289), (12199, 17241)]