78481809

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{577}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 138498048

約数和(自身を除く): 60016239

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 127, 153, 357, 381, 577, 889, 1071, 1143, 1731, 2159, 2667, 4039, 5193, 6477, 8001, 9809, 12117, 15113, 19431, 29427, 36351, 45339, 68663, 73279, 88281, 136017, 205989, 219837, 512953, 617967, 659511, 1245743, 1538859, 3737229, 4616577, 8720201, 11211687, 26160603, 78481809]

約数ペア:

[(1, 78481809), (3, 26160603), (7, 11211687), (9, 8720201), (17, 4616577), (21, 3737229), (51, 1538859), (63, 1245743), (119, 659511), (127, 617967), (153, 512953), (357, 219837), (381, 205989), (577, 136017), (889, 88281), (1071, 73279), (1143, 68663), (1731, 45339), (2159, 36351), (2667, 29427), (4039, 19431), (5193, 15113), (6477, 12117), (8001, 9809)]