138223071

素因数分解:

$3^3\times 7^2\times {\mathrm{191}}^1\times {\mathrm{547}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 239892480

約数和(自身を除く): 101669409

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 191, 441, 547, 573, 1323, 1337, 1641, 1719, 3829, 4011, 4923, 5157, 9359, 11487, 12033, 14769, 26803, 28077, 34461, 36099, 80409, 84231, 103383, 104477, 241227, 252693, 313431, 723681, 731339, 940293, 2194017, 2820879, 5119373, 6582051, 15358119, 19746153, 46074357, 138223071]

約数ペア:

[(1, 138223071), (3, 46074357), (7, 19746153), (9, 15358119), (21, 6582051), (27, 5119373), (49, 2820879), (63, 2194017), (147, 940293), (189, 731339), (191, 723681), (441, 313431), (547, 252693), (573, 241227), (1323, 104477), (1337, 103383), (1641, 84231), (1719, 80409), (3829, 36099), (4011, 34461), (4923, 28077), (5157, 26803), (9359, 14769), (11487, 12033)]