4005801

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{1667}}^1$

素因数の和:1765

約数の個数: 16

約数和(自身を含む): 6004800

約数和(自身を除く): 1998999

約数列:

[1, 3, 9, 27, 89, 267, 801, 1667, 2403, 5001, 15003, 45009, 148363, 445089, 1335267, 4005801]

約数ペア:

[(1, 4005801), (3, 1335267), (9, 445089), (27, 148363), (89, 45009), (267, 15003), (801, 5001), (1667, 2403)]