13720569

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 20004864

約数和(自身を除く): 6284295

約数列:

[1, 3, 31, 43, 47, 73, 93, 129, 141, 219, 1333, 1457, 2021, 2263, 3139, 3431, 3999, 4371, 6063, 6789, 9417, 10293, 62651, 97309, 106361, 147533, 187953, 291927, 319083, 442599, 4573523, 13720569]

約数ペア:

[(1, 13720569), (3, 4573523), (31, 442599), (43, 319083), (47, 291927), (73, 187953), (93, 147533), (129, 106361), (141, 97309), (219, 62651), (1333, 10293), (1457, 9417), (2021, 6789), (2263, 6063), (3139, 4371), (3431, 3999)]