13203279

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:471

約数の個数: 24

約数和(自身を含む): 19756880

約数和(自身を除く): 6553601

約数列:

[1, 3, 9, 43, 109, 129, 313, 327, 387, 939, 981, 2817, 4687, 13459, 14061, 34117, 40377, 42183, 102351, 121131, 307053, 1467031, 4401093, 13203279]

約数ペア:

[(1, 13203279), (3, 4401093), (9, 1467031), (43, 307053), (109, 121131), (129, 102351), (313, 42183), (327, 40377), (387, 34117), (939, 14061), (981, 13459), (2817, 4687)]