261761868

素因数分解:

$2^2\times 3^4\times {\mathrm{807907}}^1$

素因数の和:807923

約数の個数: 30

約数和(自身を含む): 684298076

約数和(自身を除く): 422536208

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 807907, 1615814, 2423721, 3231628, 4847442, 7271163, 9694884, 14542326, 21813489, 29084652, 43626978, 65440467, 87253956, 130880934, 261761868]

約数ペア:

[(1, 261761868), (2, 130880934), (3, 87253956), (4, 65440467), (6, 43626978), (9, 29084652), (12, 21813489), (18, 14542326), (27, 9694884), (36, 7271163), (54, 4847442), (81, 3231628), (108, 2423721), (162, 1615814), (324, 807907)]