81429768

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23081}}^1$

素因数の和:23107

約数の個数: 72

約数和(自身を含む): 256556430

約数和(自身を除く): 175126662

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 23081, 46162, 69243, 92324, 138486, 161567, 184648, 207729, 276972, 323134, 415458, 484701, 553944, 646268, 830916, 969402, 1130969, 1292536, 1454103, 1661832, 1938804, 2261938, 2908206, 3392907, 3877608, 4523876, 5816412, 6785814, 9047752, 10178721, 11632824, 13571628, 20357442, 27143256, 40714884, 81429768]

約数ペア:

[(1, 81429768), (2, 40714884), (3, 27143256), (4, 20357442), (6, 13571628), (7, 11632824), (8, 10178721), (9, 9047752), (12, 6785814), (14, 5816412), (18, 4523876), (21, 3877608), (24, 3392907), (28, 2908206), (36, 2261938), (42, 1938804), (49, 1661832), (56, 1454103), (63, 1292536), (72, 1130969), (84, 969402), (98, 830916), (126, 646268), (147, 553944), (168, 484701), (196, 415458), (252, 323134), (294, 276972), (392, 207729), (441, 184648), (504, 161567), (588, 138486), (882, 92324), (1176, 69243), (1764, 46162), (3528, 23081)]