2390661

素因数分解:

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

素因数の和:175

約数の個数: 48

約数和(自身を含む): 4468800

約数和(自身を除く): 2078139

約数列:

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

約数ペア:

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