23153221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 29942528

約数和(自身を除く): 6789307

約数列:

[1, 7, 13, 43, 61, 91, 97, 301, 427, 559, 679, 793, 1261, 2623, 3913, 4171, 5551, 5917, 8827, 18361, 29197, 34099, 41419, 54223, 76921, 238693, 254431, 379561, 538447, 1781017, 3307603, 23153221]

約数ペア:

[(1, 23153221), (7, 3307603), (13, 1781017), (43, 538447), (61, 379561), (91, 254431), (97, 238693), (301, 76921), (427, 54223), (559, 41419), (679, 34099), (793, 29197), (1261, 18361), (2623, 8827), (3913, 5917), (4171, 5551)]