71042139

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{4013}}^1$

素因数の和:4307

約数の個数: 24

約数和(自身を含む): 117722592

約数和(自身を除く): 46680453

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1967, 2529, 4013, 5901, 12039, 17703, 28091, 36117, 84273, 252819, 1127653, 3382959, 7893571, 10148877, 23680713, 71042139]

約数ペア:

[(1, 71042139), (3, 23680713), (7, 10148877), (9, 7893571), (21, 3382959), (63, 1127653), (281, 252819), (843, 84273), (1967, 36117), (2529, 28091), (4013, 17703), (5901, 12039)]