90940485

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{509}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 149719680

約数和(自身を除く): 58779195

約数列:

[1, 3, 5, 15, 43, 129, 215, 277, 509, 645, 831, 1385, 1527, 2545, 4155, 7635, 11911, 21887, 35733, 59555, 65661, 109435, 140993, 178665, 328305, 422979, 704965, 2114895, 6062699, 18188097, 30313495, 90940485]

約数ペア:

[(1, 90940485), (3, 30313495), (5, 18188097), (15, 6062699), (43, 2114895), (129, 704965), (215, 422979), (277, 328305), (509, 178665), (645, 140993), (831, 109435), (1385, 65661), (1527, 59555), (2545, 35733), (4155, 21887), (7635, 11911)]