12990097911

素因数分解:

$3^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1667321}}^1$

素因数の和:1667391

約数の個数: 24

約数和(自身を含む): 20528068464

約数和(自身を除く): 7537970553

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 371, 1113, 2597, 7791, 1667321, 5001963, 11671247, 35013741, 81698729, 88368013, 245096187, 265104039, 618576091, 1855728273, 4330032637, 12990097911]

約数ペア:

[(1, 12990097911), (3, 4330032637), (7, 1855728273), (21, 618576091), (49, 265104039), (53, 245096187), (147, 88368013), (159, 81698729), (371, 35013741), (1113, 11671247), (2597, 5001963), (7791, 1667321)]