201232857

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:806

約数の個数: 48

約数和(自身を含む): 332059200

約数和(自身を除く): 130826343

約数列:

[1, 3, 7, 19, 21, 49, 57, 109, 133, 147, 327, 399, 661, 763, 931, 1983, 2071, 2289, 2793, 4627, 5341, 6213, 12559, 13881, 14497, 16023, 32389, 37677, 43491, 72049, 87913, 97167, 101479, 216147, 263739, 304437, 504343, 615391, 1368931, 1513029, 1846173, 3530401, 4106793, 9582517, 10591203, 28747551, 67077619, 201232857]

約数ペア:

[(1, 201232857), (3, 67077619), (7, 28747551), (19, 10591203), (21, 9582517), (49, 4106793), (57, 3530401), (109, 1846173), (133, 1513029), (147, 1368931), (327, 615391), (399, 504343), (661, 304437), (763, 263739), (931, 216147), (1983, 101479), (2071, 97167), (2289, 87913), (2793, 72049), (4627, 43491), (5341, 37677), (6213, 32389), (12559, 16023), (13881, 14497)]