213549609

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{659}}^1\times {\mathrm{1187}}^1$

素因数の和:1869

約数の個数: 32

約数和(自身を含む): 351267840

約数和(自身を除く): 137718231

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 659, 1187, 1977, 3561, 4613, 8309, 8567, 13839, 15431, 24927, 25701, 46293, 59969, 108017, 179907, 324051, 782233, 2346699, 5475631, 10169029, 16426893, 30507087, 71183203, 213549609]

約数ペア:

[(1, 213549609), (3, 71183203), (7, 30507087), (13, 16426893), (21, 10169029), (39, 5475631), (91, 2346699), (273, 782233), (659, 324051), (1187, 179907), (1977, 108017), (3561, 59969), (4613, 46293), (8309, 25701), (8567, 24927), (13839, 15431)]