540645

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 1044480

約数和(自身を除く): 503835

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 271, 285, 399, 665, 813, 1355, 1897, 1995, 4065, 5149, 5691, 9485, 15447, 25745, 28455, 36043, 77235, 108129, 180215, 540645]

約数ペア:

[(1, 540645), (3, 180215), (5, 108129), (7, 77235), (15, 36043), (19, 28455), (21, 25745), (35, 15447), (57, 9485), (95, 5691), (105, 5149), (133, 4065), (271, 1995), (285, 1897), (399, 1355), (665, 813)]