253165731

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{13841}}^1$

素因数の和:13931

約数の個数: 32

約数和(自身を含む): 421682688

約数和(自身を除く): 168516957

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 871, 1407, 2613, 6097, 13841, 18291, 41523, 96887, 179933, 290661, 539799, 927347, 1259531, 2782041, 3778593, 6491429, 12055511, 19474287, 36166533, 84388577, 253165731]

約数ペア:

[(1, 253165731), (3, 84388577), (7, 36166533), (13, 19474287), (21, 12055511), (39, 6491429), (67, 3778593), (91, 2782041), (201, 1259531), (273, 927347), (469, 539799), (871, 290661), (1407, 179933), (2613, 96887), (6097, 41523), (13841, 18291)]