55711971

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 101072400

約数和(自身を除く): 45360429

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 61, 63, 109, 133, 147, 171, 183, 327, 399, 427, 441, 549, 763, 931, 981, 1159, 1197, 1281, 2071, 2289, 2793, 2989, 3477, 3843, 5341, 6213, 6649, 6867, 8113, 8379, 8967, 10431, 14497, 16023, 18639, 19947, 24339, 26901, 43491, 46543, 48069, 56791, 59841, 73017, 101479, 126331, 130473, 139629, 170373, 304437, 325801, 378993, 418887, 511119, 884317, 913311, 977403, 1136979, 2652951, 2932209, 6190219, 7958853, 18570657, 55711971]

約数ペア:

[(1, 55711971), (3, 18570657), (7, 7958853), (9, 6190219), (19, 2932209), (21, 2652951), (49, 1136979), (57, 977403), (61, 913311), (63, 884317), (109, 511119), (133, 418887), (147, 378993), (171, 325801), (183, 304437), (327, 170373), (399, 139629), (427, 130473), (441, 126331), (549, 101479), (763, 73017), (931, 59841), (981, 56791), (1159, 48069), (1197, 46543), (1281, 43491), (2071, 26901), (2289, 24339), (2793, 19947), (2989, 18639), (3477, 16023), (3843, 14497), (5341, 10431), (6213, 8967), (6649, 8379), (6867, 8113)]