47781657

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 80

約数和(自身を含む): 91441152

約数和(自身を除く): 43659495

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 47, 63, 77, 81, 99, 141, 163, 189, 231, 297, 329, 423, 489, 517, 567, 693, 891, 987, 1141, 1269, 1467, 1551, 1793, 2079, 2961, 3423, 3619, 3807, 4401, 4653, 5379, 6237, 7661, 8883, 10269, 10857, 12551, 13203, 13959, 16137, 22983, 26649, 30807, 32571, 37653, 41877, 48411, 53627, 68949, 84271, 92421, 97713, 112959, 145233, 160881, 206847, 252813, 293139, 338877, 482643, 589897, 620541, 758439, 1016631, 1447929, 1769691, 2275317, 4343787, 5309073, 6825951, 15927219, 47781657]

約数ペア:

[(1, 47781657), (3, 15927219), (7, 6825951), (9, 5309073), (11, 4343787), (21, 2275317), (27, 1769691), (33, 1447929), (47, 1016631), (63, 758439), (77, 620541), (81, 589897), (99, 482643), (141, 338877), (163, 293139), (189, 252813), (231, 206847), (297, 160881), (329, 145233), (423, 112959), (489, 97713), (517, 92421), (567, 84271), (693, 68949), (891, 53627), (987, 48411), (1141, 41877), (1269, 37653), (1467, 32571), (1551, 30807), (1793, 26649), (2079, 22983), (2961, 16137), (3423, 13959), (3619, 13203), (3807, 12551), (4401, 10857), (4653, 10269), (5379, 8883), (6237, 7661)]