2179281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 3507840

約数和(自身を除く): 1328559

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 173, 221, 247, 323, 519, 663, 741, 969, 2249, 2941, 3287, 4199, 6747, 8823, 9861, 12597, 38233, 42731, 55879, 114699, 128193, 167637, 726427, 2179281]

約数ペア:

[(1, 2179281), (3, 726427), (13, 167637), (17, 128193), (19, 114699), (39, 55879), (51, 42731), (57, 38233), (173, 12597), (221, 9861), (247, 8823), (323, 6747), (519, 4199), (663, 3287), (741, 2941), (969, 2249)]