645406434

素因数分解:

$2^1\times 3^3\times {\mathrm{1697}}^1\times {\mathrm{7043}}^1$

素因数の和:8751

約数の個数: 32

約数和(自身を含む): 1435285440

約数和(自身を除く): 789879006

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 1697, 3394, 5091, 7043, 10182, 14086, 15273, 21129, 30546, 42258, 45819, 63387, 91638, 126774, 190161, 380322, 11951971, 23903942, 35855913, 71711826, 107567739, 215135478, 322703217, 645406434]

約数ペア:

[(1, 645406434), (2, 322703217), (3, 215135478), (6, 107567739), (9, 71711826), (18, 35855913), (27, 23903942), (54, 11951971), (1697, 380322), (3394, 190161), (5091, 126774), (7043, 91638), (10182, 63387), (14086, 45819), (15273, 42258), (21129, 30546)]