61213209

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 89616384

約数和(自身を除く): 28403175

約数列:

[1, 3, 17, 43, 51, 103, 129, 271, 309, 731, 813, 1751, 2193, 4429, 4607, 5253, 11653, 13287, 13821, 27913, 34959, 75293, 83739, 198101, 225879, 474521, 594303, 1200259, 1423563, 3600777, 20404403, 61213209]

約数ペア:

[(1, 61213209), (3, 20404403), (17, 3600777), (43, 1423563), (51, 1200259), (103, 594303), (129, 474521), (271, 225879), (309, 198101), (731, 83739), (813, 75293), (1751, 34959), (2193, 27913), (4429, 13821), (4607, 13287), (5253, 11653)]