209318913

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{6883}}^1$

素因数の和:7029

約数の個数: 24

約数和(自身を含む): 315011840

約数和(自身を除く): 105692927

約数列:

[1, 3, 9, 31, 93, 109, 279, 327, 981, 3379, 6883, 10137, 20649, 30411, 61947, 213373, 640119, 750247, 1920357, 2250741, 6752223, 23257657, 69772971, 209318913]

約数ペア:

[(1, 209318913), (3, 69772971), (9, 23257657), (31, 6752223), (93, 2250741), (109, 1920357), (279, 750247), (327, 640119), (981, 213373), (3379, 61947), (6883, 30411), (10137, 20649)]