42121415

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 59579520

約数和(自身を除く): 17458105

約数列:

[1, 5, 7, 35, 61, 109, 181, 305, 427, 545, 763, 905, 1267, 2135, 3815, 6335, 6649, 11041, 19729, 33245, 46543, 55205, 77287, 98645, 138103, 232715, 386435, 690515, 1203469, 6017345, 8424283, 42121415]

約数ペア:

[(1, 42121415), (5, 8424283), (7, 6017345), (35, 1203469), (61, 690515), (109, 386435), (181, 232715), (305, 138103), (427, 98645), (545, 77287), (763, 55205), (905, 46543), (1267, 33245), (2135, 19729), (3815, 11041), (6335, 6649)]