51228735

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{2543}}^1$

素因数の和:2647

約数の個数: 32

約数和(自身を含む): 87920640

約数和(自身を除く): 36691905

約数列:

[1, 3, 5, 15, 17, 51, 79, 85, 237, 255, 395, 1185, 1343, 2543, 4029, 6715, 7629, 12715, 20145, 38145, 43231, 129693, 200897, 216155, 602691, 648465, 1004485, 3013455, 3415249, 10245747, 17076245, 51228735]

約数ペア:

[(1, 51228735), (3, 17076245), (5, 10245747), (15, 3415249), (17, 3013455), (51, 1004485), (79, 648465), (85, 602691), (237, 216155), (255, 200897), (395, 129693), (1185, 43231), (1343, 38145), (2543, 20145), (4029, 12715), (6715, 7629)]