81239256

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23027}}^1$

素因数の和:23053

約数の個数: 72

約数和(自身を含む): 255956220

約数和(自身を除く): 174716964

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, 23027, 46054, 69081, 92108, 138162, 161189, 184216, 207243, 276324, 322378, 414486, 483567, 552648, 644756, 828972, 967134, 1128323, 1289512, 1450701, 1657944, 1934268, 2256646, 2901402, 3384969, 3868536, 4513292, 5802804, 6769938, 9026584, 10154907, 11605608, 13539876, 20309814, 27079752, 40619628, 81239256]

約数ペア:

[(1, 81239256), (2, 40619628), (3, 27079752), (4, 20309814), (6, 13539876), (7, 11605608), (8, 10154907), (9, 9026584), (12, 6769938), (14, 5802804), (18, 4513292), (21, 3868536), (24, 3384969), (28, 2901402), (36, 2256646), (42, 1934268), (49, 1657944), (56, 1450701), (63, 1289512), (72, 1128323), (84, 967134), (98, 828972), (126, 644756), (147, 552648), (168, 483567), (196, 414486), (252, 322378), (294, 276324), (392, 207243), (441, 184216), (504, 161189), (588, 138162), (882, 92108), (1176, 69081), (1764, 46054), (3528, 23027)]