81275487

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 119750400

約数和(自身を除く): 38474913

約数列:

[1, 3, 17, 29, 51, 87, 179, 307, 493, 537, 921, 1479, 3043, 5191, 5219, 8903, 9129, 15573, 15657, 26709, 54953, 88247, 151351, 164859, 264741, 454053, 934201, 1593637, 2802603, 4780911, 27091829, 81275487]

約数ペア:

[(1, 81275487), (3, 27091829), (17, 4780911), (29, 2802603), (51, 1593637), (87, 934201), (179, 454053), (307, 264741), (493, 164859), (537, 151351), (921, 88247), (1479, 54953), (3043, 26709), (5191, 15657), (5219, 15573), (8903, 9129)]