68642217

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37571}}^1$

素因数の和:37613

約数の個数: 24

約数和(自身を含む): 117224640

約数和(自身を除く): 48582423

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 37571, 112713, 262997, 338139, 788991, 1089559, 2366973, 3268677, 7626913, 9806031, 22880739, 68642217]

約数ペア:

[(1, 68642217), (3, 22880739), (7, 9806031), (9, 7626913), (21, 3268677), (29, 2366973), (63, 1089559), (87, 788991), (203, 338139), (261, 262997), (609, 112713), (1827, 37571)]