72670257

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 128044800

約数和(自身を除く): 55374543

約数列:

[1, 3, 9, 11, 17, 27, 33, 37, 51, 99, 111, 153, 187, 297, 333, 389, 407, 459, 561, 629, 999, 1167, 1221, 1683, 1887, 3501, 3663, 4279, 5049, 5661, 6613, 6919, 10503, 10989, 12837, 14393, 16983, 19839, 20757, 38511, 43179, 59517, 62271, 72743, 115533, 129537, 158323, 178551, 186813, 218229, 244681, 388611, 474969, 654687, 734043, 1424907, 1964061, 2202129, 2691491, 4274721, 6606387, 8074473, 24223419, 72670257]

約数ペア:

[(1, 72670257), (3, 24223419), (9, 8074473), (11, 6606387), (17, 4274721), (27, 2691491), (33, 2202129), (37, 1964061), (51, 1424907), (99, 734043), (111, 654687), (153, 474969), (187, 388611), (297, 244681), (333, 218229), (389, 186813), (407, 178551), (459, 158323), (561, 129537), (629, 115533), (999, 72743), (1167, 62271), (1221, 59517), (1683, 43179), (1887, 38511), (3501, 20757), (3663, 19839), (4279, 16983), (5049, 14393), (5661, 12837), (6613, 10989), (6919, 10503)]