7171983

素因数分解:

$3^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:178

約数の個数: 60

約数和(自身を含む): 13518120

約数和(自身を除く): 6346137

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 81, 91, 117, 139, 147, 189, 273, 351, 417, 441, 567, 637, 819, 973, 1053, 1251, 1323, 1807, 1911, 2457, 2919, 3753, 3969, 5421, 5733, 6811, 7371, 8757, 11259, 12649, 16263, 17199, 20433, 26271, 37947, 48789, 51597, 61299, 78813, 88543, 113841, 146367, 183897, 265629, 341523, 551691, 796887, 1024569, 2390661, 7171983]

約数ペア:

[(1, 7171983), (3, 2390661), (7, 1024569), (9, 796887), (13, 551691), (21, 341523), (27, 265629), (39, 183897), (49, 146367), (63, 113841), (81, 88543), (91, 78813), (117, 61299), (139, 51597), (147, 48789), (189, 37947), (273, 26271), (351, 20433), (417, 17199), (441, 16263), (567, 12649), (637, 11259), (819, 8757), (973, 7371), (1053, 6811), (1251, 5733), (1323, 5421), (1807, 3969), (1911, 3753), (2457, 2919)]