247926345

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{2969}}^1$

素因数の和:3289

約数の個数: 32

約数和(自身を含む): 419126400

約数和(自身を除く): 171200055

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 293, 879, 1465, 2969, 4395, 5567, 8907, 14845, 16701, 27835, 44535, 56411, 83505, 169233, 282055, 846165, 869917, 2609751, 4349585, 13048755, 16528423, 49585269, 82642115, 247926345]

約数ペア:

[(1, 247926345), (3, 82642115), (5, 49585269), (15, 16528423), (19, 13048755), (57, 4349585), (95, 2609751), (285, 869917), (293, 846165), (879, 282055), (1465, 169233), (2969, 83505), (4395, 56411), (5567, 44535), (8907, 27835), (14845, 16701)]