131403978

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{78497}}^1$

素因数の和:78539

約数の個数: 32

約数和(自身を含む): 301432320

約数和(自身を除く): 170028342

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 78497, 156994, 235491, 470982, 706473, 1412946, 2119419, 2433407, 4238838, 4866814, 7300221, 14600442, 21900663, 43801326, 65701989, 131403978]

約数ペア:

[(1, 131403978), (2, 65701989), (3, 43801326), (6, 21900663), (9, 14600442), (18, 7300221), (27, 4866814), (31, 4238838), (54, 2433407), (62, 2119419), (93, 1412946), (186, 706473), (279, 470982), (558, 235491), (837, 156994), (1674, 78497)]