87978979

素因数分解:

${\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{313}}^1$

素因数の和:459

約数の個数: 24

約数和(自身を含む): 102233376

約数和(自身を除く): 14254397

約数列:

[1, 11, 23, 101, 121, 253, 313, 1111, 2323, 2783, 3443, 7199, 12221, 25553, 31613, 37873, 79189, 281083, 347743, 727099, 871079, 3825173, 7998089, 87978979]

約数ペア:

[(1, 87978979), (11, 7998089), (23, 3825173), (101, 871079), (121, 727099), (253, 347743), (313, 281083), (1111, 79189), (2323, 37873), (2783, 31613), (3443, 25553), (7199, 12221)]