55807821

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{15859}}^1$

素因数の和:15905

約数の個数: 24

約数和(自身を含む): 89069760

約数和(自身を除く): 33261939

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 15859, 47577, 142731, 269603, 364757, 808809, 1094271, 2426427, 3282813, 6200869, 18602607, 55807821]

約数ペア:

[(1, 55807821), (3, 18602607), (9, 6200869), (17, 3282813), (23, 2426427), (51, 1094271), (69, 808809), (153, 364757), (207, 269603), (391, 142731), (1173, 47577), (3519, 15859)]