71911371

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{25747}}^1$

素因数の和:25783

約数の個数: 24

約数和(自身を含む): 117410880

約数和(自身を除く): 45499509

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 25747, 77241, 180229, 489193, 540687, 1261603, 1467579, 3424351, 3784809, 10273053, 23970457, 71911371]

約数ペア:

[(1, 71911371), (3, 23970457), (7, 10273053), (19, 3784809), (21, 3424351), (49, 1467579), (57, 1261603), (133, 540687), (147, 489193), (399, 180229), (931, 77241), (2793, 25747)]