71747109

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{13721}}^1$

素因数の和:13817

約数の個数: 24

約数和(自身を含む): 119875392

約数和(自身を除く): 48128283

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 13721, 41163, 96047, 123489, 288141, 864423, 1138843, 3416529, 7971901, 10249587, 23915703, 71747109]

約数ペア:

[(1, 71747109), (3, 23915703), (7, 10249587), (9, 7971901), (21, 3416529), (63, 1138843), (83, 864423), (249, 288141), (581, 123489), (747, 96047), (1743, 41163), (5229, 13721)]