207400305

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{32381}}^1$

素因数の和:32457

約数の個数: 32

約数和(自身を含む): 385475328

約数和(自身を除く): 178075023

約数列:

[1, 3, 5, 7, 15, 21, 35, 61, 105, 183, 305, 427, 915, 1281, 2135, 6405, 32381, 97143, 161905, 226667, 485715, 680001, 1133335, 1975241, 3400005, 5925723, 9876205, 13826687, 29628615, 41480061, 69133435, 207400305]

約数ペア:

[(1, 207400305), (3, 69133435), (5, 41480061), (7, 29628615), (15, 13826687), (21, 9876205), (35, 5925723), (61, 3400005), (105, 1975241), (183, 1133335), (305, 680001), (427, 485715), (915, 226667), (1281, 161905), (2135, 97143), (6405, 32381)]