128519181

素因数分解:

$3^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{5779}}^1$

素因数の和:6145

約数の個数: 24

約数和(自身を含む): 212796480

約数和(自身を除く): 84277299

約数列:

[1, 3, 7, 9, 21, 63, 353, 1059, 2471, 3177, 5779, 7413, 17337, 22239, 40453, 52011, 121359, 364077, 2039987, 6119961, 14279909, 18359883, 42839727, 128519181]

約数ペア:

[(1, 128519181), (3, 42839727), (7, 18359883), (9, 14279909), (21, 6119961), (63, 2039987), (353, 364077), (1059, 121359), (2471, 52011), (3177, 40453), (5779, 22239), (7413, 17337)]