77881209

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4153}}^1$

素因数の和:4229

約数の個数: 32

約数和(自身を含む): 127610880

約数和(自身を除く): 49729671

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 2679, 4153, 6251, 12459, 18753, 29071, 78907, 87213, 195191, 236721, 552349, 585573, 1366337, 1657047, 3708629, 4099011, 11125887, 25960403, 77881209]

約数ペア:

[(1, 77881209), (3, 25960403), (7, 11125887), (19, 4099011), (21, 3708629), (47, 1657047), (57, 1366337), (133, 585573), (141, 552349), (329, 236721), (399, 195191), (893, 87213), (987, 78907), (2679, 29071), (4153, 18753), (6251, 12459)]