87777207

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73331}}^1$

素因数の和:73363

約数の個数: 24

約数和(自身を含む): 152530560

約数和(自身を除く): 64753353

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 73331, 219993, 513317, 659979, 1393289, 1539951, 4179867, 4619853, 9753023, 12539601, 29259069, 87777207]

約数ペア:

[(1, 87777207), (3, 29259069), (7, 12539601), (9, 9753023), (19, 4619853), (21, 4179867), (57, 1539951), (63, 1393289), (133, 659979), (171, 513317), (399, 219993), (1197, 73331)]