81278694

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11317}}^1$

素因数の和:11354

約数の個数: 64

約数和(自身を含む): 217305600

約数和(自身を除く): 136026906

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 114, 126, 133, 171, 189, 266, 342, 378, 399, 513, 798, 1026, 1197, 2394, 3591, 7182, 11317, 22634, 33951, 67902, 79219, 101853, 158438, 203706, 215023, 237657, 305559, 430046, 475314, 611118, 645069, 712971, 1290138, 1425942, 1505161, 1935207, 2138913, 3010322, 3870414, 4277826, 4515483, 5805621, 9030966, 11611242, 13546449, 27092898, 40639347, 81278694]

約数ペア:

[(1, 81278694), (2, 40639347), (3, 27092898), (6, 13546449), (7, 11611242), (9, 9030966), (14, 5805621), (18, 4515483), (19, 4277826), (21, 3870414), (27, 3010322), (38, 2138913), (42, 1935207), (54, 1505161), (57, 1425942), (63, 1290138), (114, 712971), (126, 645069), (133, 611118), (171, 475314), (189, 430046), (266, 305559), (342, 237657), (378, 215023), (399, 203706), (513, 158438), (798, 101853), (1026, 79219), (1197, 67902), (2394, 33951), (3591, 22634), (7182, 11317)]