818372997

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{73}}^1$

素因数の和:196

約数の個数: 96

約数和(自身を含む): 1428022400

約数和(自身を除く): 609649403

約数列:

[1, 3, 9, 13, 19, 27, 39, 41, 57, 73, 117, 123, 171, 219, 247, 351, 369, 513, 533, 657, 741, 779, 949, 1107, 1387, 1599, 1681, 1971, 2223, 2337, 2847, 2993, 4161, 4797, 5043, 6669, 7011, 8541, 8979, 10127, 12483, 14391, 15129, 18031, 21033, 21853, 25623, 26937, 30381, 31939, 37449, 38909, 45387, 54093, 56867, 65559, 80811, 91143, 95817, 116727, 122713, 162279, 170601, 196677, 273429, 287451, 350181, 368139, 415207, 486837, 511803, 590031, 739271, 862353, 1050543, 1104417, 1245621, 1535409, 1595269, 2217813, 2331547, 3313251, 3736863, 4785807, 6653439, 6994641, 11210589, 14357421, 19960317, 20983923, 30310111, 43072263, 62951769, 90930333, 272790999, 818372997]

約数ペア:

[(1, 818372997), (3, 272790999), (9, 90930333), (13, 62951769), (19, 43072263), (27, 30310111), (39, 20983923), (41, 19960317), (57, 14357421), (73, 11210589), (117, 6994641), (123, 6653439), (171, 4785807), (219, 3736863), (247, 3313251), (351, 2331547), (369, 2217813), (513, 1595269), (533, 1535409), (657, 1245621), (741, 1104417), (779, 1050543), (949, 862353), (1107, 739271), (1387, 590031), (1599, 511803), (1681, 486837), (1971, 415207), (2223, 368139), (2337, 350181), (2847, 287451), (2993, 273429), (4161, 196677), (4797, 170601), (5043, 162279), (6669, 122713), (7011, 116727), (8541, 95817), (8979, 91143), (10127, 80811), (12483, 65559), (14391, 56867), (15129, 54093), (18031, 45387), (21033, 38909), (21853, 37449), (25623, 31939), (26937, 30381)]