31320549

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 51787008

約数和(自身を除く): 20466459

約数列:

[1, 3, 9, 13, 23, 39, 69, 103, 113, 117, 207, 299, 309, 339, 897, 927, 1017, 1339, 1469, 2369, 2599, 2691, 4017, 4407, 7107, 7797, 11639, 12051, 13221, 21321, 23391, 30797, 33787, 34917, 92391, 101361, 104751, 151307, 267697, 277173, 304083, 453921, 803091, 1361763, 2409273, 3480061, 10440183, 31320549]

約数ペア:

[(1, 31320549), (3, 10440183), (9, 3480061), (13, 2409273), (23, 1361763), (39, 803091), (69, 453921), (103, 304083), (113, 277173), (117, 267697), (207, 151307), (299, 104751), (309, 101361), (339, 92391), (897, 34917), (927, 33787), (1017, 30797), (1339, 23391), (1469, 21321), (2369, 13221), (2599, 12051), (2691, 11639), (4017, 7797), (4407, 7107)]