278891199

素因数分解:

$3^2\times {\mathrm{97}}^1\times {\mathrm{101}}^1\times {\mathrm{3163}}^1$

素因数の和:3367

約数の個数: 24

約数和(自身を含む): 411155472

約数和(自身を除く): 132264273

約数列:

[1, 3, 9, 97, 101, 291, 303, 873, 909, 3163, 9489, 9797, 28467, 29391, 88173, 306811, 319463, 920433, 958389, 2761299, 2875167, 30987911, 92963733, 278891199]

約数ペア:

[(1, 278891199), (3, 92963733), (9, 30987911), (97, 2875167), (101, 2761299), (291, 958389), (303, 920433), (873, 319463), (909, 306811), (3163, 88173), (9489, 29391), (9797, 28467)]