27938305

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{659}}^1$

素因数の和:864

約数の個数: 16

約数和(自身を含む): 34372800

約数和(自身を除く): 6434495

約数列:

[1, 5, 61, 139, 305, 659, 695, 3295, 8479, 40199, 42395, 91601, 200995, 458005, 5587661, 27938305]

約数ペア:

[(1, 27938305), (5, 5587661), (61, 458005), (139, 200995), (305, 91601), (659, 42395), (695, 40199), (3295, 8479)]