204597687

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{113}}^2$

素因数の和:352

約数の個数: 36

約数和(自身を含む): 323105640

約数和(自身を除く): 118507953

約数列:

[1, 3, 7, 21, 49, 109, 113, 147, 327, 339, 763, 791, 2289, 2373, 5341, 5537, 12317, 12769, 16023, 16611, 36951, 38307, 86219, 89383, 258657, 268149, 603533, 625681, 1391821, 1810599, 1877043, 4175463, 9742747, 29228241, 68199229, 204597687]

約数ペア:

[(1, 204597687), (3, 68199229), (7, 29228241), (21, 9742747), (49, 4175463), (109, 1877043), (113, 1810599), (147, 1391821), (327, 625681), (339, 603533), (763, 268149), (791, 258657), (2289, 89383), (2373, 86219), (5341, 38307), (5537, 36951), (12317, 16611), (12769, 16023)]