2987631

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:332

約数の個数: 32

約数和(自身を含む): 4907520

約数和(自身を除く): 1919889

約数列:

[1, 3, 9, 17, 23, 27, 51, 69, 153, 207, 283, 391, 459, 621, 849, 1173, 2547, 3519, 4811, 6509, 7641, 10557, 14433, 19527, 43299, 58581, 110653, 129897, 175743, 331959, 995877, 2987631]

約数ペア:

[(1, 2987631), (3, 995877), (9, 331959), (17, 175743), (23, 129897), (27, 110653), (51, 58581), (69, 43299), (153, 19527), (207, 14433), (283, 10557), (391, 7641), (459, 6509), (621, 4811), (849, 3519), (1173, 2547)]