81427059

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{25343}}^1$

素因数の和:25376

約数の個数: 32

約数和(自身を含む): 145981440

約数和(自身を除く): 64554381

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 357, 459, 1071, 3213, 25343, 76029, 177401, 228087, 430831, 532203, 684261, 1292493, 1596609, 3015817, 3877479, 4789827, 9047451, 11632437, 27142353, 81427059]

約数ペア:

[(1, 81427059), (3, 27142353), (7, 11632437), (9, 9047451), (17, 4789827), (21, 3877479), (27, 3015817), (51, 1596609), (63, 1292493), (119, 684261), (153, 532203), (189, 430831), (357, 228087), (459, 177401), (1071, 76029), (3213, 25343)]