205407615

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{467}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 388177920

約数和(自身を除く): 182770305

約数列:

[1, 3, 5, 7, 15, 21, 35, 59, 71, 105, 177, 213, 295, 355, 413, 467, 497, 885, 1065, 1239, 1401, 1491, 2065, 2335, 2485, 3269, 4189, 6195, 7005, 7455, 9807, 12567, 16345, 20945, 27553, 29323, 33157, 49035, 62835, 82659, 87969, 99471, 137765, 146615, 165785, 192871, 232099, 413295, 439845, 497355, 578613, 696297, 964355, 1160495, 1956263, 2893065, 3481485, 5868789, 9781315, 13693841, 29343945, 41081523, 68469205, 205407615]

約数ペア:

[(1, 205407615), (3, 68469205), (5, 41081523), (7, 29343945), (15, 13693841), (21, 9781315), (35, 5868789), (59, 3481485), (71, 2893065), (105, 1956263), (177, 1160495), (213, 964355), (295, 696297), (355, 578613), (413, 497355), (467, 439845), (497, 413295), (885, 232099), (1065, 192871), (1239, 165785), (1401, 146615), (1491, 137765), (2065, 99471), (2335, 87969), (2485, 82659), (3269, 62835), (4189, 49035), (6195, 33157), (7005, 29323), (7455, 27553), (9807, 20945), (12567, 16345)]