247831287

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{4289}}^1$

素因数の和:4423

約数の個数: 32

約数和(自身を含む): 385482240

約数和(自身を除く): 137650953

約数列:

[1, 3, 11, 17, 33, 51, 103, 187, 309, 561, 1133, 1751, 3399, 4289, 5253, 12867, 19261, 47179, 57783, 72913, 141537, 218739, 441767, 802043, 1325301, 2406129, 4859437, 7510039, 14578311, 22530117, 82610429, 247831287]

約数ペア:

[(1, 247831287), (3, 82610429), (11, 22530117), (17, 14578311), (33, 7510039), (51, 4859437), (103, 2406129), (187, 1325301), (309, 802043), (561, 441767), (1133, 218739), (1751, 141537), (3399, 72913), (4289, 57783), (5253, 47179), (12867, 19261)]