201263181

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{991}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 323788800

約数和(自身を除く): 122525619

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 509, 991, 1527, 2973, 3563, 6937, 9671, 10689, 18829, 20811, 29013, 56487, 67697, 131803, 203091, 395409, 504419, 1513257, 3530933, 9583961, 10592799, 28751883, 67087727, 201263181]

約数ペア:

[(1, 201263181), (3, 67087727), (7, 28751883), (19, 10592799), (21, 9583961), (57, 3530933), (133, 1513257), (399, 504419), (509, 395409), (991, 203091), (1527, 131803), (2973, 67697), (3563, 56487), (6937, 29013), (9671, 20811), (10689, 18829)]