243357219

素因数分解:

$3^2\times 7^1\times {\mathrm{947}}^1\times {\mathrm{4079}}^1$

素因数の和:5039

約数の個数: 24

約数和(自身を含む): 402255360

約数和(自身を除く): 158898141

約数列:

[1, 3, 7, 9, 21, 63, 947, 2841, 4079, 6629, 8523, 12237, 19887, 28553, 36711, 59661, 85659, 256977, 3862813, 11588439, 27039691, 34765317, 81119073, 243357219]

約数ペア:

[(1, 243357219), (3, 81119073), (7, 34765317), (9, 27039691), (21, 11588439), (63, 3862813), (947, 256977), (2841, 85659), (4079, 59661), (6629, 36711), (8523, 28553), (12237, 19887)]