27679905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 52790400

約数和(自身を除く): 25110495

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 199, 281, 495, 597, 843, 995, 1405, 1791, 2189, 2529, 2985, 3091, 4215, 6567, 8955, 9273, 10945, 12645, 15455, 19701, 27819, 32835, 46365, 55919, 98505, 139095, 167757, 279595, 503271, 615109, 838785, 1845327, 2516355, 3075545, 5535981, 9226635, 27679905]

約数ペア:

[(1, 27679905), (3, 9226635), (5, 5535981), (9, 3075545), (11, 2516355), (15, 1845327), (33, 838785), (45, 615109), (55, 503271), (99, 279595), (165, 167757), (199, 139095), (281, 98505), (495, 55919), (597, 46365), (843, 32835), (995, 27819), (1405, 19701), (1791, 15455), (2189, 12645), (2529, 10945), (2985, 9273), (3091, 8955), (4215, 6567)]