556569

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 891072

約数和(自身を除く): 334503

約数列:

[1, 3, 9, 13, 39, 67, 71, 117, 201, 213, 603, 639, 871, 923, 2613, 2769, 4757, 7839, 8307, 14271, 42813, 61841, 185523, 556569]

約数ペア:

[(1, 556569), (3, 185523), (9, 61841), (13, 42813), (39, 14271), (67, 8307), (71, 7839), (117, 4757), (201, 2769), (213, 2613), (603, 923), (639, 871)]