90804021

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1274

約数の個数: 64

約数和(自身を含む): 168376320

約数和(自身を除く): 77572299

約数列:

[1, 3, 7, 11, 17, 19, 21, 33, 51, 57, 77, 119, 133, 187, 209, 231, 323, 357, 399, 561, 627, 969, 1217, 1309, 1463, 2261, 3553, 3651, 3927, 4389, 6783, 8519, 10659, 13387, 20689, 23123, 24871, 25557, 40161, 62067, 69369, 74613, 93709, 144823, 161861, 227579, 254353, 281127, 393091, 434469, 485583, 682737, 763059, 1179273, 1593053, 1780471, 2751637, 4324001, 4779159, 5341413, 8254911, 12972003, 30268007, 90804021]

約数ペア:

[(1, 90804021), (3, 30268007), (7, 12972003), (11, 8254911), (17, 5341413), (19, 4779159), (21, 4324001), (33, 2751637), (51, 1780471), (57, 1593053), (77, 1179273), (119, 763059), (133, 682737), (187, 485583), (209, 434469), (231, 393091), (323, 281127), (357, 254353), (399, 227579), (561, 161861), (627, 144823), (969, 93709), (1217, 74613), (1309, 69369), (1463, 62067), (2261, 40161), (3553, 25557), (3651, 24871), (3927, 23123), (4389, 20689), (6783, 13387), (8519, 10659)]