38407131

素因数分解:

$3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:193

約数の個数: 72

約数和(自身を含む): 70424640

約数和(自身を除く): 32017509

約数列:

[1, 3, 7, 9, 17, 21, 47, 49, 51, 63, 109, 119, 141, 147, 153, 327, 329, 357, 423, 441, 763, 799, 833, 981, 987, 1071, 1853, 2289, 2303, 2397, 2499, 2961, 5123, 5341, 5559, 5593, 6867, 6909, 7191, 7497, 12971, 15369, 16023, 16677, 16779, 20727, 35861, 38913, 39151, 46107, 48069, 50337, 87091, 90797, 107583, 116739, 117453, 251027, 261273, 272391, 322749, 352359, 609637, 753081, 783819, 817173, 1828911, 2259243, 4267459, 5486733, 12802377, 38407131]

約数ペア:

[(1, 38407131), (3, 12802377), (7, 5486733), (9, 4267459), (17, 2259243), (21, 1828911), (47, 817173), (49, 783819), (51, 753081), (63, 609637), (109, 352359), (119, 322749), (141, 272391), (147, 261273), (153, 251027), (327, 117453), (329, 116739), (357, 107583), (423, 90797), (441, 87091), (763, 50337), (799, 48069), (833, 46107), (981, 39151), (987, 38913), (1071, 35861), (1853, 20727), (2289, 16779), (2303, 16677), (2397, 16023), (2499, 15369), (2961, 12971), (5123, 7497), (5341, 7191), (5559, 6909), (5593, 6867)]