3857139

素因数分解:

$3^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:79

約数の個数: 56

約数和(自身を含む): 6977712

約数和(自身を除く): 3120573

約数列:

[1, 3, 9, 11, 13, 27, 33, 37, 39, 81, 99, 111, 117, 143, 243, 297, 333, 351, 407, 429, 481, 729, 891, 999, 1053, 1221, 1287, 1443, 2673, 2997, 3159, 3663, 3861, 4329, 5291, 8019, 8991, 9477, 10989, 11583, 12987, 15873, 26973, 32967, 34749, 38961, 47619, 98901, 104247, 116883, 142857, 296703, 350649, 428571, 1285713, 3857139]

約数ペア:

[(1, 3857139), (3, 1285713), (9, 428571), (11, 350649), (13, 296703), (27, 142857), (33, 116883), (37, 104247), (39, 98901), (81, 47619), (99, 38961), (111, 34749), (117, 32967), (143, 26973), (243, 15873), (297, 12987), (333, 11583), (351, 10989), (407, 9477), (429, 8991), (481, 8019), (729, 5291), (891, 4329), (999, 3861), (1053, 3663), (1221, 3159), (1287, 2997), (1443, 2673)]