209004993

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{829}}^1$

素因数の和:1201

約数の個数: 24

約数和(自身を含む): 306220200

約数和(自身を除く): 97215207

約数列:

[1, 3, 9, 109, 257, 327, 771, 829, 981, 2313, 2487, 7461, 28013, 84039, 90361, 213053, 252117, 271083, 639159, 813249, 1917477, 23222777, 69668331, 209004993]

約数ペア:

[(1, 209004993), (3, 69668331), (9, 23222777), (109, 1917477), (257, 813249), (327, 639159), (771, 271083), (829, 252117), (981, 213053), (2313, 90361), (2487, 84039), (7461, 28013)]