1278542967

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{431}}^1\times {\mathrm{5851}}^1$

素因数の和:6311

約数の個数: 24

約数和(自身を含む): 1850542848

約数和(自身を除く): 571999881

約数列:

[1, 3, 13, 39, 169, 431, 507, 1293, 5603, 5851, 16809, 17553, 72839, 76063, 218517, 228189, 988819, 2521781, 2966457, 7565343, 32783153, 98349459, 426180989, 1278542967]

約数ペア:

[(1, 1278542967), (3, 426180989), (13, 98349459), (39, 32783153), (169, 7565343), (431, 2966457), (507, 2521781), (1293, 988819), (5603, 228189), (5851, 218517), (16809, 76063), (17553, 72839)]