56666721

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 82821760

約数和(自身を除く): 26155039

約数列:

[1, 3, 19, 37, 57, 97, 111, 277, 291, 703, 831, 1843, 2109, 3589, 5263, 5529, 10249, 10767, 15789, 26869, 30747, 68191, 80607, 194731, 204573, 510511, 584193, 994153, 1531533, 2982459, 18888907, 56666721]

約数ペア:

[(1, 56666721), (3, 18888907), (19, 2982459), (37, 1531533), (57, 994153), (97, 584193), (111, 510511), (277, 204573), (291, 194731), (703, 80607), (831, 68191), (1843, 30747), (2109, 26869), (3589, 15789), (5263, 10767), (5529, 10249)]