81721206

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{4951}}^1$

素因数の和:5097

約数の個数: 48

約数和(自身を含む): 203943168

約数和(自身を除く): 122221962

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 131, 262, 393, 786, 917, 1179, 1834, 2358, 2751, 4951, 5502, 8253, 9902, 14853, 16506, 29706, 34657, 44559, 69314, 89118, 103971, 207942, 311913, 623826, 648581, 1297162, 1945743, 3891486, 4540067, 5837229, 9080134, 11674458, 13620201, 27240402, 40860603, 81721206]

約数ペア:

[(1, 81721206), (2, 40860603), (3, 27240402), (6, 13620201), (7, 11674458), (9, 9080134), (14, 5837229), (18, 4540067), (21, 3891486), (42, 1945743), (63, 1297162), (126, 648581), (131, 623826), (262, 311913), (393, 207942), (786, 103971), (917, 89118), (1179, 69314), (1834, 44559), (2358, 34657), (2751, 29706), (4951, 16506), (5502, 14853), (8253, 9902)]