217871847

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{613}}^1$

素因数の和:760

約数の個数: 48

約数和(自身を含む): 351718848

約数和(自身を除く): 133847001

約数列:

[1, 3, 9, 17, 23, 51, 69, 101, 153, 207, 303, 391, 613, 909, 1173, 1717, 1839, 2323, 3519, 5151, 5517, 6969, 10421, 14099, 15453, 20907, 31263, 39491, 42297, 61913, 93789, 118473, 126891, 185739, 239683, 355419, 557217, 719049, 1052521, 1423999, 2157147, 3157563, 4271997, 9472689, 12815991, 24207983, 72623949, 217871847]

約数ペア:

[(1, 217871847), (3, 72623949), (9, 24207983), (17, 12815991), (23, 9472689), (51, 4271997), (69, 3157563), (101, 2157147), (153, 1423999), (207, 1052521), (303, 719049), (391, 557217), (613, 355419), (909, 239683), (1173, 185739), (1717, 126891), (1839, 118473), (2323, 93789), (3519, 61913), (5151, 42297), (5517, 39491), (6969, 31263), (10421, 20907), (14099, 15453)]