64800821

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{59}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 74208960

約数和(自身を除く): 9408139

約数列:

[1, 17, 23, 53, 59, 391, 901, 1003, 1219, 1357, 2809, 3127, 20723, 23069, 47753, 53159, 64607, 71921, 165731, 1098319, 1222657, 2817427, 3811813, 64800821]

約数ペア:

[(1, 64800821), (17, 3811813), (23, 2817427), (53, 1222657), (59, 1098319), (391, 165731), (901, 71921), (1003, 64607), (1219, 53159), (1357, 47753), (2809, 23069), (3127, 20723)]