420328473

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 638779392

約数和(自身を除く): 218450919

約数列:

[1, 3, 23, 31, 37, 47, 69, 93, 111, 113, 141, 339, 713, 851, 1081, 1147, 1457, 1739, 2139, 2553, 2599, 3243, 3441, 3503, 4181, 4371, 5217, 5311, 7797, 10509, 12543, 15933, 26381, 33511, 39997, 53909, 79143, 80569, 96163, 100533, 119991, 122153, 129611, 161727, 164641, 196507, 241707, 288489, 366459, 388833, 493923, 589521, 1239907, 2981053, 3719721, 3786743, 4519661, 6091717, 8943159, 11360229, 13558983, 18275151, 140109491, 420328473]

約数ペア:

[(1, 420328473), (3, 140109491), (23, 18275151), (31, 13558983), (37, 11360229), (47, 8943159), (69, 6091717), (93, 4519661), (111, 3786743), (113, 3719721), (141, 2981053), (339, 1239907), (713, 589521), (851, 493923), (1081, 388833), (1147, 366459), (1457, 288489), (1739, 241707), (2139, 196507), (2553, 164641), (2599, 161727), (3243, 129611), (3441, 122153), (3503, 119991), (4181, 100533), (4371, 96163), (5217, 80569), (5311, 79143), (7797, 53909), (10509, 39997), (12543, 33511), (15933, 26381)]