278973123

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1907}}^1$

素因数の和:1976

約数の個数: 48

約数和(自身を含む): 454745088

約数和(自身を除く): 175771965

約数列:

[1, 3, 11, 13, 31, 33, 39, 93, 121, 143, 341, 363, 403, 429, 1023, 1209, 1573, 1907, 3751, 4433, 4719, 5721, 11253, 13299, 20977, 24791, 48763, 59117, 62931, 74373, 146289, 177351, 230747, 272701, 650287, 692241, 768521, 818103, 1950861, 2305563, 2999711, 7153157, 8453731, 8999133, 21459471, 25361193, 92991041, 278973123]

約数ペア:

[(1, 278973123), (3, 92991041), (11, 25361193), (13, 21459471), (31, 8999133), (33, 8453731), (39, 7153157), (93, 2999711), (121, 2305563), (143, 1950861), (341, 818103), (363, 768521), (403, 692241), (429, 650287), (1023, 272701), (1209, 230747), (1573, 177351), (1907, 146289), (3751, 74373), (4433, 62931), (4719, 59117), (5721, 48763), (11253, 24791), (13299, 20977)]