7491897

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1091}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 12492480

約数和(自身を除く): 5000583

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 1091, 2289, 3273, 6867, 7637, 9819, 22911, 68733, 118919, 356757, 832433, 1070271, 2497299, 7491897]

約数ペア:

[(1, 7491897), (3, 2497299), (7, 1070271), (9, 832433), (21, 356757), (63, 118919), (109, 68733), (327, 22911), (763, 9819), (981, 7637), (1091, 6867), (2289, 3273)]