1720343793

素因数分解:

$3^1\times 7^2\times {\mathrm{587}}^1\times {\mathrm{19937}}^1$

素因数の和:20541

約数の個数: 24

約数和(自身を含む): 2672968032

約数和(自身を除く): 952624239

約数列:

[1, 3, 7, 21, 49, 147, 587, 1761, 4109, 12327, 19937, 28763, 59811, 86289, 139559, 418677, 976913, 2930739, 11703019, 35109057, 81921133, 245763399, 573447931, 1720343793]

約数ペア:

[(1, 1720343793), (3, 573447931), (7, 245763399), (21, 81921133), (49, 35109057), (147, 11703019), (587, 2930739), (1761, 976913), (4109, 418677), (12327, 139559), (19937, 86289), (28763, 59811)]