17997357

素因数分解:

$3^1\times 7^2\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 28104192

約数和(自身を除く): 10106835

約数列:

[1, 3, 7, 21, 49, 147, 191, 573, 641, 1337, 1923, 4011, 4487, 9359, 13461, 28077, 31409, 94227, 122431, 367293, 857017, 2571051, 5999119, 17997357]

約数ペア:

[(1, 17997357), (3, 5999119), (7, 2571051), (21, 857017), (49, 367293), (147, 122431), (191, 94227), (573, 31409), (641, 28077), (1337, 13461), (1923, 9359), (4011, 4487)]