71291997

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{24077}}^1$

素因数の和:24137

約数の個数: 24

約数和(自身を含む): 120197376

約数和(自身を除く): 48905379

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 24077, 72231, 168539, 216693, 505617, 1131619, 1516851, 3394857, 7921333, 10184571, 23763999, 71291997]

約数ペア:

[(1, 71291997), (3, 23763999), (7, 10184571), (9, 7921333), (21, 3394857), (47, 1516851), (63, 1131619), (141, 505617), (329, 216693), (423, 168539), (987, 72231), (2961, 24077)]