7201791

素因数分解:

$3^7\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:147

約数の個数: 32

約数和(自身を含む): 11217600

約数和(自身を除く): 4015809

約数列:

[1, 3, 9, 27, 37, 81, 89, 111, 243, 267, 333, 729, 801, 999, 2187, 2403, 2997, 3293, 7209, 8991, 9879, 21627, 26973, 29637, 64881, 80919, 88911, 194643, 266733, 800199, 2400597, 7201791]

約数ペア:

[(1, 7201791), (3, 2400597), (9, 800199), (27, 266733), (37, 194643), (81, 88911), (89, 80919), (111, 64881), (243, 29637), (267, 26973), (333, 21627), (729, 9879), (801, 8991), (999, 7209), (2187, 3293), (2403, 2997)]