81620859

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{467}}^1$

素因数の和:659

約数の個数: 32

約数和(自身を含む): 121305600

約数和(自身を除く): 39684741

約数列:

[1, 3, 17, 23, 51, 69, 149, 391, 447, 467, 1173, 1401, 2533, 3427, 7599, 7939, 10281, 10741, 23817, 32223, 58259, 69583, 174777, 182597, 208749, 547791, 1182911, 1600409, 3548733, 4801227, 27206953, 81620859]

約数ペア:

[(1, 81620859), (3, 27206953), (17, 4801227), (23, 3548733), (51, 1600409), (69, 1182911), (149, 547791), (391, 208749), (447, 182597), (467, 174777), (1173, 69583), (1401, 58259), (2533, 32223), (3427, 23817), (7599, 10741), (7939, 10281)]