131031756

素因数分解:

$2^2\times 3^4\times {\mathrm{404419}}^1$

素因数の和:404435

約数の個数: 30

約数和(自身を含む): 342543740

約数和(自身を除く): 211511984

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 404419, 808838, 1213257, 1617676, 2426514, 3639771, 4853028, 7279542, 10919313, 14559084, 21838626, 32757939, 43677252, 65515878, 131031756]

約数ペア:

[(1, 131031756), (2, 65515878), (3, 43677252), (4, 32757939), (6, 21838626), (9, 14559084), (12, 10919313), (18, 7279542), (27, 4853028), (36, 3639771), (54, 2426514), (81, 1617676), (108, 1213257), (162, 808838), (324, 404419)]