286290531

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{743}}^1$

素因数の和:893

約数の個数: 40

約数和(自身を含む): 440757504

約数和(自身を除く): 154466973

約数列:

[1, 3, 9, 27, 67, 71, 81, 201, 213, 603, 639, 743, 1809, 1917, 2229, 4757, 5427, 5751, 6687, 14271, 20061, 42813, 49781, 52753, 60183, 128439, 149343, 158259, 385317, 448029, 474777, 1344087, 1424331, 3534451, 4032261, 4272993, 10603353, 31810059, 95430177, 286290531]

約数ペア:

[(1, 286290531), (3, 95430177), (9, 31810059), (27, 10603353), (67, 4272993), (71, 4032261), (81, 3534451), (201, 1424331), (213, 1344087), (603, 474777), (639, 448029), (743, 385317), (1809, 158259), (1917, 149343), (2229, 128439), (4757, 60183), (5427, 52753), (5751, 49781), (6687, 42813), (14271, 20061)]