1640883393

素因数分解:

$3^3\times {\mathrm{3943}}^1\times {\mathrm{15413}}^1$

素因数の和:19365

約数の個数: 16

約数和(自身を含む): 2431712640

約数和(自身を除く): 790829247

約数列:

[1, 3, 9, 27, 3943, 11829, 15413, 35487, 46239, 106461, 138717, 416151, 60773459, 182320377, 546961131, 1640883393]

約数ペア:

[(1, 1640883393), (3, 546961131), (9, 182320377), (27, 60773459), (3943, 416151), (11829, 138717), (15413, 106461), (35487, 46239)]