128975283

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 203673600

約数和(自身を除く): 74698317

約数列:

[1, 3, 9, 23, 31, 69, 93, 101, 199, 207, 279, 303, 597, 713, 909, 1791, 2139, 2323, 3131, 4577, 6169, 6417, 6969, 9393, 13731, 18507, 20099, 20907, 28179, 41193, 55521, 60297, 72013, 141887, 180891, 216039, 425661, 462277, 623069, 648117, 1276983, 1386831, 1869207, 4160493, 5607621, 14330587, 42991761, 128975283]

約数ペア:

[(1, 128975283), (3, 42991761), (9, 14330587), (23, 5607621), (31, 4160493), (69, 1869207), (93, 1386831), (101, 1276983), (199, 648117), (207, 623069), (279, 462277), (303, 425661), (597, 216039), (713, 180891), (909, 141887), (1791, 72013), (2139, 60297), (2323, 55521), (3131, 41193), (4577, 28179), (6169, 20907), (6417, 20099), (6969, 18507), (9393, 13731)]