83138643

素因数分解:

$3^4\times 7^2\times {\mathrm{20947}}^1$

素因数の和:20973

約数の個数: 30

約数和(自身を含む): 144478356

約数和(自身を除く): 61339713

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 20947, 62841, 146629, 188523, 439887, 565569, 1026403, 1319661, 1696707, 3079209, 3958983, 9237627, 11876949, 27712881, 83138643]

約数ペア:

[(1, 83138643), (3, 27712881), (7, 11876949), (9, 9237627), (21, 3958983), (27, 3079209), (49, 1696707), (63, 1319661), (81, 1026403), (147, 565569), (189, 439887), (441, 188523), (567, 146629), (1323, 62841), (3969, 20947)]