12972921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1151}}^1$

素因数の和:1201

約数の個数: 24

約数和(自身を含む): 19805184

約数和(自身を除く): 6832263

約数列:

[1, 3, 13, 17, 39, 51, 221, 289, 663, 867, 1151, 3453, 3757, 11271, 14963, 19567, 44889, 58701, 254371, 332639, 763113, 997917, 4324307, 12972921]

約数ペア:

[(1, 12972921), (3, 4324307), (13, 997917), (17, 763113), (39, 332639), (51, 254371), (221, 58701), (289, 44889), (663, 19567), (867, 14963), (1151, 11271), (3453, 3757)]