647829

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:146

約数の個数: 36

約数和(自身を含む): 1182636

約数和(自身を除く): 534807

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 113, 117, 147, 273, 339, 441, 637, 791, 819, 1017, 1469, 1911, 2373, 4407, 5537, 5733, 7119, 10283, 13221, 16611, 30849, 49833, 71981, 92547, 215943, 647829]

約数ペア:

[(1, 647829), (3, 215943), (7, 92547), (9, 71981), (13, 49833), (21, 30849), (39, 16611), (49, 13221), (63, 10283), (91, 7119), (113, 5733), (117, 5537), (147, 4407), (273, 2373), (339, 1911), (441, 1469), (637, 1017), (791, 819)]