81821784

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{309931}}^1$

素因数の和:309951

約数の個数: 32

約数和(自身を含む): 223151040

約数和(自身を除く): 141329256

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 309931, 619862, 929793, 1239724, 1859586, 2479448, 3409241, 3719172, 6818482, 7438344, 10227723, 13636964, 20455446, 27273928, 40910892, 81821784]

約数ペア:

[(1, 81821784), (2, 40910892), (3, 27273928), (4, 20455446), (6, 13636964), (8, 10227723), (11, 7438344), (12, 6818482), (22, 3719172), (24, 3409241), (33, 2479448), (44, 1859586), (66, 1239724), (88, 929793), (132, 619862), (264, 309931)]