51388263

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:653

約数の個数: 40

約数和(自身を含む): 82642032

約数和(自身を除く): 31253769

約数列:

[1, 3, 9, 17, 27, 51, 67, 81, 153, 201, 459, 557, 603, 1139, 1377, 1671, 1809, 3417, 5013, 5427, 9469, 10251, 15039, 28407, 30753, 37319, 45117, 85221, 92259, 111957, 255663, 335871, 634423, 766989, 1007613, 1903269, 3022839, 5709807, 17129421, 51388263]

約数ペア:

[(1, 51388263), (3, 17129421), (9, 5709807), (17, 3022839), (27, 1903269), (51, 1007613), (67, 766989), (81, 634423), (153, 335871), (201, 255663), (459, 111957), (557, 92259), (603, 85221), (1139, 45117), (1377, 37319), (1671, 30753), (1809, 28407), (3417, 15039), (5013, 10251), (5427, 9469)]