81091332

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{3877}}^1$

素因数の和:3977

約数の個数: 72

約数和(自身を含む): 237147456

約数和(自身を除く): 156056124

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 83, 84, 126, 166, 249, 252, 332, 498, 581, 747, 996, 1162, 1494, 1743, 2324, 2988, 3486, 3877, 5229, 6972, 7754, 10458, 11631, 15508, 20916, 23262, 27139, 34893, 46524, 54278, 69786, 81417, 108556, 139572, 162834, 244251, 321791, 325668, 488502, 643582, 965373, 977004, 1287164, 1930746, 2252537, 2896119, 3861492, 4505074, 5792238, 6757611, 9010148, 11584476, 13515222, 20272833, 27030444, 40545666, 81091332]

約数ペア:

[(1, 81091332), (2, 40545666), (3, 27030444), (4, 20272833), (6, 13515222), (7, 11584476), (9, 9010148), (12, 6757611), (14, 5792238), (18, 4505074), (21, 3861492), (28, 2896119), (36, 2252537), (42, 1930746), (63, 1287164), (83, 977004), (84, 965373), (126, 643582), (166, 488502), (249, 325668), (252, 321791), (332, 244251), (498, 162834), (581, 139572), (747, 108556), (996, 81417), (1162, 69786), (1494, 54278), (1743, 46524), (2324, 34893), (2988, 27139), (3486, 23262), (3877, 20916), (5229, 15508), (6972, 11631), (7754, 10458)]