12220971

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{281}}^1$

素因数の和:419

約数の個数: 32

約数和(自身を含む): 19852800

約数和(自身を除く): 7631829

約数列:

[1, 3, 7, 19, 21, 57, 109, 133, 281, 327, 399, 763, 843, 1967, 2071, 2289, 5339, 5901, 6213, 14497, 16017, 30629, 37373, 43491, 91887, 112119, 214403, 581951, 643209, 1745853, 4073657, 12220971]

約数ペア:

[(1, 12220971), (3, 4073657), (7, 1745853), (19, 643209), (21, 581951), (57, 214403), (109, 112119), (133, 91887), (281, 43491), (327, 37373), (399, 30629), (763, 16017), (843, 14497), (1967, 6213), (2071, 5901), (2289, 5339)]