145210863

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{51991}}^1$

素因数の和:52027

約数の個数: 24

約数和(自身を含む): 237083520

約数和(自身を除く): 91872657

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 51991, 155973, 363937, 987829, 1091811, 2547559, 2963487, 6914803, 7642677, 20744409, 48403621, 145210863]

約数ペア:

[(1, 145210863), (3, 48403621), (7, 20744409), (19, 7642677), (21, 6914803), (49, 2963487), (57, 2547559), (133, 1091811), (147, 987829), (399, 363937), (931, 155973), (2793, 51991)]