214143279

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{263}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 346705920

約数和(自身を除く): 132562641

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 191, 203, 263, 573, 609, 789, 1337, 1421, 1841, 4011, 4263, 5523, 5539, 7627, 9359, 12887, 16617, 22881, 28077, 38661, 38773, 50233, 53389, 116319, 150699, 160167, 271411, 351631, 373723, 814233, 1054893, 1121169, 1456757, 2461417, 4370271, 7384251, 10197299, 30591897, 71381093, 214143279]

約数ペア:

[(1, 214143279), (3, 71381093), (7, 30591897), (21, 10197299), (29, 7384251), (49, 4370271), (87, 2461417), (147, 1456757), (191, 1121169), (203, 1054893), (263, 814233), (573, 373723), (609, 351631), (789, 271411), (1337, 160167), (1421, 150699), (1841, 116319), (4011, 53389), (4263, 50233), (5523, 38773), (5539, 38661), (7627, 28077), (9359, 22881), (12887, 16617)]