168180789

素因数分解:

$3^1\times 7^3\times {\mathrm{137}}^1\times {\mathrm{1193}}^1$

素因数の和:1354

約数の個数: 32

約数和(自身を含む): 263635200

約数和(自身を除く): 95454411

約数列:

[1, 3, 7, 21, 49, 137, 147, 343, 411, 959, 1029, 1193, 2877, 3579, 6713, 8351, 20139, 25053, 46991, 58457, 140973, 163441, 175371, 409199, 490323, 1144087, 1227597, 3432261, 8008609, 24025827, 56060263, 168180789]

約数ペア:

[(1, 168180789), (3, 56060263), (7, 24025827), (21, 8008609), (49, 3432261), (137, 1227597), (147, 1144087), (343, 490323), (411, 409199), (959, 175371), (1029, 163441), (1193, 140973), (2877, 58457), (3579, 46991), (6713, 25053), (8351, 20139)]