138619887

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{4003}}^1$

素因数の和:4127

約数の個数: 32

約数和(自身を含む): 226017792

約数和(自身を除く): 87397905

約数列:

[1, 3, 7, 17, 21, 51, 97, 119, 291, 357, 679, 1649, 2037, 4003, 4947, 11543, 12009, 28021, 34629, 68051, 84063, 204153, 388291, 476357, 1164873, 1429071, 2718037, 6600947, 8154111, 19802841, 46206629, 138619887]

約数ペア:

[(1, 138619887), (3, 46206629), (7, 19802841), (17, 8154111), (21, 6600947), (51, 2718037), (97, 1429071), (119, 1164873), (291, 476357), (357, 388291), (679, 204153), (1649, 84063), (2037, 68051), (4003, 34629), (4947, 28021), (11543, 12009)]