642255789

素因数分解:

$3^1\times 7^2\times {\mathrm{929}}^1\times {\mathrm{4703}}^1$

素因数の和:5649

約数の個数: 24

約数和(自身を含む): 997436160

約数和(自身を除く): 355180371

約数列:

[1, 3, 7, 21, 49, 147, 929, 2787, 4703, 6503, 14109, 19509, 32921, 45521, 98763, 136563, 230447, 691341, 4369087, 13107261, 30583609, 91750827, 214085263, 642255789]

約数ペア:

[(1, 642255789), (3, 214085263), (7, 91750827), (21, 30583609), (49, 13107261), (147, 4369087), (929, 691341), (2787, 230447), (4703, 136563), (6503, 98763), (14109, 45521), (19509, 32921)]