81790884

素因数分解:

$2^2\times 3^6\times 7^1\times {\mathrm{4007}}^1$

素因数の和:4036

約数の個数: 84

約数和(自身を含む): 245321664

約数和(自身を除く): 163530780

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 729, 756, 972, 1134, 1458, 1701, 2268, 2916, 3402, 4007, 5103, 6804, 8014, 10206, 12021, 16028, 20412, 24042, 28049, 36063, 48084, 56098, 72126, 84147, 108189, 112196, 144252, 168294, 216378, 252441, 324567, 336588, 432756, 504882, 649134, 757323, 973701, 1009764, 1298268, 1514646, 1947402, 2271969, 2921103, 3029292, 3894804, 4543938, 5842206, 6815907, 9087876, 11684412, 13631814, 20447721, 27263628, 40895442, 81790884]

約数ペア:

[(1, 81790884), (2, 40895442), (3, 27263628), (4, 20447721), (6, 13631814), (7, 11684412), (9, 9087876), (12, 6815907), (14, 5842206), (18, 4543938), (21, 3894804), (27, 3029292), (28, 2921103), (36, 2271969), (42, 1947402), (54, 1514646), (63, 1298268), (81, 1009764), (84, 973701), (108, 757323), (126, 649134), (162, 504882), (189, 432756), (243, 336588), (252, 324567), (324, 252441), (378, 216378), (486, 168294), (567, 144252), (729, 112196), (756, 108189), (972, 84147), (1134, 72126), (1458, 56098), (1701, 48084), (2268, 36063), (2916, 28049), (3402, 24042), (4007, 20412), (5103, 16028), (6804, 12021), (8014, 10206)]