1285713

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:76

約数の個数: 48

約数和(自身を含む): 2323776

約数和(自身を除く): 1038063

約数列:

[1, 3, 9, 11, 13, 27, 33, 37, 39, 81, 99, 111, 117, 143, 243, 297, 333, 351, 407, 429, 481, 891, 999, 1053, 1221, 1287, 1443, 2673, 2997, 3159, 3663, 3861, 4329, 5291, 8991, 10989, 11583, 12987, 15873, 32967, 34749, 38961, 47619, 98901, 116883, 142857, 428571, 1285713]

約数ペア:

[(1, 1285713), (3, 428571), (9, 142857), (11, 116883), (13, 98901), (27, 47619), (33, 38961), (37, 34749), (39, 32967), (81, 15873), (99, 12987), (111, 11583), (117, 10989), (143, 8991), (243, 5291), (297, 4329), (333, 3861), (351, 3663), (407, 3159), (429, 2997), (481, 2673), (891, 1443), (999, 1287), (1053, 1221)]