12691791

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 23063040

約数和(自身を除く): 10371249

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 133, 161, 171, 207, 399, 437, 461, 483, 1197, 1311, 1383, 1449, 3059, 3227, 3933, 4149, 8759, 9177, 9681, 10603, 26277, 27531, 29043, 31809, 61313, 74221, 78831, 95427, 183939, 201457, 222663, 551817, 604371, 667989, 1410199, 1813113, 4230597, 12691791]

約数ペア:

[(1, 12691791), (3, 4230597), (7, 1813113), (9, 1410199), (19, 667989), (21, 604371), (23, 551817), (57, 222663), (63, 201457), (69, 183939), (133, 95427), (161, 78831), (171, 74221), (207, 61313), (399, 31809), (437, 29043), (461, 27531), (483, 26277), (1197, 10603), (1311, 9681), (1383, 9177), (1449, 8759), (3059, 4149), (3227, 3933)]