1947961953

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1091}}^1$

素因数の和:1224

約数の個数: 80

約数和(自身を含む): 3450230784

約数和(自身を除く): 1502268831

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 67, 81, 141, 189, 201, 329, 423, 469, 567, 603, 987, 1091, 1269, 1407, 1809, 2961, 3149, 3273, 3807, 4221, 5427, 7637, 8883, 9447, 9819, 12663, 22043, 22911, 26649, 28341, 29457, 37989, 51277, 66129, 68733, 73097, 85023, 88371, 153831, 198387, 206199, 219291, 255069, 358939, 461493, 511679, 595161, 618597, 657873, 1076817, 1384479, 1535037, 1785483, 1973619, 3230451, 3435559, 4153437, 4605111, 5920857, 9691353, 10306677, 13815333, 24048913, 29074059, 30920031, 41445999, 72146739, 92760093, 216440217, 278280279, 649320651, 1947961953]

約数ペア:

[(1, 1947961953), (3, 649320651), (7, 278280279), (9, 216440217), (21, 92760093), (27, 72146739), (47, 41445999), (63, 30920031), (67, 29074059), (81, 24048913), (141, 13815333), (189, 10306677), (201, 9691353), (329, 5920857), (423, 4605111), (469, 4153437), (567, 3435559), (603, 3230451), (987, 1973619), (1091, 1785483), (1269, 1535037), (1407, 1384479), (1809, 1076817), (2961, 657873), (3149, 618597), (3273, 595161), (3807, 511679), (4221, 461493), (5427, 358939), (7637, 255069), (8883, 219291), (9447, 206199), (9819, 198387), (12663, 153831), (22043, 88371), (22911, 85023), (26649, 73097), (28341, 68733), (29457, 66129), (37989, 51277)]