648794817

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{991}}^1$

素因数の和:1414

約数の個数: 48

約数和(自身を含む): 1086359040

約数和(自身を除く): 437564223

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 389, 561, 991, 1167, 1683, 2973, 3501, 4279, 6613, 8919, 10901, 12837, 16847, 19839, 32703, 38511, 50541, 59517, 72743, 98109, 151623, 185317, 218229, 385499, 555951, 654687, 1156497, 1667853, 3469491, 4240489, 6553483, 12721467, 19660449, 38164401, 58981347, 72088313, 216264939, 648794817]

約数ペア:

[(1, 648794817), (3, 216264939), (9, 72088313), (11, 58981347), (17, 38164401), (33, 19660449), (51, 12721467), (99, 6553483), (153, 4240489), (187, 3469491), (389, 1667853), (561, 1156497), (991, 654687), (1167, 555951), (1683, 385499), (2973, 218229), (3501, 185317), (4279, 151623), (6613, 98109), (8919, 72743), (10901, 59517), (12837, 50541), (16847, 38511), (19839, 32703)]