27900645

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{439}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 47308800

約数和(自身を除く): 19408155

約数列:

[1, 3, 5, 15, 19, 57, 95, 223, 285, 439, 669, 1115, 1317, 2195, 3345, 4237, 6585, 8341, 12711, 21185, 25023, 41705, 63555, 97897, 125115, 293691, 489485, 1468455, 1860043, 5580129, 9300215, 27900645]

約数ペア:

[(1, 27900645), (3, 9300215), (5, 5580129), (15, 1860043), (19, 1468455), (57, 489485), (95, 293691), (223, 125115), (285, 97897), (439, 63555), (669, 41705), (1115, 25023), (1317, 21185), (2195, 12711), (3345, 8341), (4237, 6585)]