51128931

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2861}}^1$

素因数の和:2931

約数の個数: 32

約数和(自身を含む): 83524608

約数和(自身を除く): 32395677

約数列:

[1, 3, 7, 21, 23, 37, 69, 111, 161, 259, 483, 777, 851, 2553, 2861, 5957, 8583, 17871, 20027, 60081, 65803, 105857, 197409, 317571, 460621, 740999, 1381863, 2222997, 2434711, 7304133, 17042977, 51128931]

約数ペア:

[(1, 51128931), (3, 17042977), (7, 7304133), (21, 2434711), (23, 2222997), (37, 1381863), (69, 740999), (111, 460621), (161, 317571), (259, 197409), (483, 105857), (777, 65803), (851, 60081), (2553, 20027), (2861, 17871), (5957, 8583)]