213781356

素因数分解:

$2^2\times 3^4\times {\mathrm{659819}}^1$

素因数の和:659835

約数の個数: 30

約数和(自身を含む): 558867540

約数和(自身を除く): 345086184

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 659819, 1319638, 1979457, 2639276, 3958914, 5938371, 7917828, 11876742, 17815113, 23753484, 35630226, 53445339, 71260452, 106890678, 213781356]

約数ペア:

[(1, 213781356), (2, 106890678), (3, 71260452), (4, 53445339), (6, 35630226), (9, 23753484), (12, 17815113), (18, 11876742), (27, 7917828), (36, 5938371), (54, 3958914), (81, 2639276), (108, 1979457), (162, 1319638), (324, 659819)]