217602561

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{1531}}^1$

素因数の和:1677

約数の個数: 32

約数和(自身を含む): 326499840

約数和(自身を除く): 108897279

約数列:

[1, 3, 11, 33, 59, 73, 177, 219, 649, 803, 1531, 1947, 2409, 4307, 4593, 12921, 16841, 47377, 50523, 90329, 111763, 142131, 270987, 335289, 993619, 1229393, 2980857, 3688179, 6594017, 19782051, 72534187, 217602561]

約数ペア:

[(1, 217602561), (3, 72534187), (11, 19782051), (33, 6594017), (59, 3688179), (73, 2980857), (177, 1229393), (219, 993619), (649, 335289), (803, 270987), (1531, 142131), (1947, 111763), (2409, 90329), (4307, 50523), (4593, 47377), (12921, 16841)]