727141131

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{331}}^1\times {\mathrm{733}}^1$

素因数の和:1113

約数の個数: 40

約数和(自身を含む): 1120477424

約数和(自身を除く): 393336293

約数列:

[1, 3, 9, 27, 37, 81, 111, 331, 333, 733, 993, 999, 2199, 2979, 2997, 6597, 8937, 12247, 19791, 26811, 27121, 36741, 59373, 81363, 110223, 242623, 244089, 330669, 727869, 732267, 992007, 2183607, 2196801, 6550821, 8977051, 19652463, 26931153, 80793459, 242380377, 727141131]

約数ペア:

[(1, 727141131), (3, 242380377), (9, 80793459), (27, 26931153), (37, 19652463), (81, 8977051), (111, 6550821), (331, 2196801), (333, 2183607), (733, 992007), (993, 732267), (999, 727869), (2199, 330669), (2979, 244089), (2997, 242623), (6597, 110223), (8937, 81363), (12247, 59373), (19791, 36741), (26811, 27121)]