207978315

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{3623}}^1$

素因数の和:3763

約数の個数: 32

約数和(自身を含む): 344424960

約数和(自身を除く): 136446645

約数列:

[1, 3, 5, 15, 43, 89, 129, 215, 267, 445, 645, 1335, 3623, 3827, 10869, 11481, 18115, 19135, 54345, 57405, 155789, 322447, 467367, 778945, 967341, 1612235, 2336835, 4836705, 13865221, 41595663, 69326105, 207978315]

約数ペア:

[(1, 207978315), (3, 69326105), (5, 41595663), (15, 13865221), (43, 4836705), (89, 2336835), (129, 1612235), (215, 967341), (267, 778945), (445, 467367), (645, 322447), (1335, 155789), (3623, 57405), (3827, 54345), (10869, 19135), (11481, 18115)]