200438973

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{487}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 341053440

約数和(自身を除く): 140614467

約数列:

[1, 3, 7, 9, 21, 47, 63, 139, 141, 329, 417, 423, 487, 973, 987, 1251, 1461, 2919, 2961, 3409, 4383, 6533, 8757, 10227, 19599, 22889, 30681, 45731, 58797, 67693, 68667, 137193, 160223, 203079, 206001, 411579, 473851, 480669, 609237, 1421553, 1442007, 3181571, 4264659, 9544713, 22270997, 28634139, 66812991, 200438973]

約数ペア:

[(1, 200438973), (3, 66812991), (7, 28634139), (9, 22270997), (21, 9544713), (47, 4264659), (63, 3181571), (139, 1442007), (141, 1421553), (329, 609237), (417, 480669), (423, 473851), (487, 411579), (973, 206001), (987, 203079), (1251, 160223), (1461, 137193), (2919, 68667), (2961, 67693), (3409, 58797), (4383, 45731), (6533, 30681), (8757, 22889), (10227, 19599)]