81483129

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 150505992

約数和(自身を除く): 69022863

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 61, 63, 91, 117, 147, 183, 233, 273, 427, 441, 549, 637, 699, 793, 819, 1281, 1631, 1911, 2097, 2379, 2989, 3029, 3843, 4893, 5551, 5733, 7137, 8967, 9087, 11417, 14213, 14679, 16653, 21203, 26901, 27261, 34251, 38857, 42639, 49959, 63609, 99491, 102753, 116571, 127917, 148421, 184769, 190827, 298473, 349713, 445263, 554307, 696437, 895419, 1293383, 1335789, 1662921, 2089311, 3880149, 6267933, 9053681, 11640447, 27161043, 81483129]

約数ペア:

[(1, 81483129), (3, 27161043), (7, 11640447), (9, 9053681), (13, 6267933), (21, 3880149), (39, 2089311), (49, 1662921), (61, 1335789), (63, 1293383), (91, 895419), (117, 696437), (147, 554307), (183, 445263), (233, 349713), (273, 298473), (427, 190827), (441, 184769), (549, 148421), (637, 127917), (699, 116571), (793, 102753), (819, 99491), (1281, 63609), (1631, 49959), (1911, 42639), (2097, 38857), (2379, 34251), (2989, 27261), (3029, 26901), (3843, 21203), (4893, 16653), (5551, 14679), (5733, 14213), (7137, 11417), (8967, 9087)]