209820231

素因数分解:

$3^2\times {\mathrm{571}}^1\times {\mathrm{40829}}^1$

素因数の和:41406

約数の個数: 12

約数和(自身を含む): 303611880

約数和(自身を除く): 93791649

約数列:

[1, 3, 9, 571, 1713, 5139, 40829, 122487, 367461, 23313359, 69940077, 209820231]

約数ペア:

[(1, 209820231), (3, 69940077), (9, 23313359), (571, 367461), (1713, 122487), (5139, 40829)]