209440221

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1291}}^1\times {\mathrm{3181}}^1$

素因数の和:4492

約数の個数: 16

約数和(自身を含む): 296002368

約数和(自身を除く): 86562147

約数列:

[1, 3, 17, 51, 1291, 3181, 3873, 9543, 21947, 54077, 65841, 162231, 4106671, 12320013, 69813407, 209440221]

約数ペア:

[(1, 209440221), (3, 69813407), (17, 12320013), (51, 4106671), (1291, 162231), (3181, 65841), (3873, 54077), (9543, 21947)]