12291993

素因数分解:

$3^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:208

約数の個数: 60

約数和(自身を含む): 22622160

約数和(自身を除く): 10330167

約数列:

[1, 3, 7, 9, 19, 21, 27, 49, 57, 63, 81, 133, 147, 163, 171, 189, 399, 441, 489, 513, 567, 931, 1141, 1197, 1323, 1467, 1539, 2793, 3097, 3423, 3591, 3969, 4401, 7987, 8379, 9291, 10269, 10773, 13203, 21679, 23961, 25137, 27873, 30807, 65037, 71883, 75411, 83619, 92421, 151753, 195111, 215649, 250857, 455259, 585333, 646947, 1365777, 1755999, 4097331, 12291993]

約数ペア:

[(1, 12291993), (3, 4097331), (7, 1755999), (9, 1365777), (19, 646947), (21, 585333), (27, 455259), (49, 250857), (57, 215649), (63, 195111), (81, 151753), (133, 92421), (147, 83619), (163, 75411), (171, 71883), (189, 65037), (399, 30807), (441, 27873), (489, 25137), (513, 23961), (567, 21679), (931, 13203), (1141, 10773), (1197, 10269), (1323, 9291), (1467, 8379), (1539, 7987), (2793, 4401), (3097, 3969), (3423, 3591)]