128590917

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1907}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 223464960

約数和(自身を除く): 94874043

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 169, 247, 273, 399, 507, 741, 1183, 1729, 1907, 3211, 3549, 5187, 5721, 9633, 13349, 22477, 24791, 36233, 40047, 67431, 74373, 108699, 173537, 253631, 322283, 471029, 520611, 760893, 966849, 1413087, 2255981, 3297203, 6123377, 6767943, 9891609, 18370131, 42863639, 128590917]

約数ペア:

[(1, 128590917), (3, 42863639), (7, 18370131), (13, 9891609), (19, 6767943), (21, 6123377), (39, 3297203), (57, 2255981), (91, 1413087), (133, 966849), (169, 760893), (247, 520611), (273, 471029), (399, 322283), (507, 253631), (741, 173537), (1183, 108699), (1729, 74373), (1907, 67431), (3211, 40047), (3549, 36233), (5187, 24791), (5721, 22477), (9633, 13349)]