219963357

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{17749}}^1$

素因数の和:17784

約数の個数: 28

約数和(自身を含む): 349213500

約数和(自身を除く): 129250143

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 4131, 12393, 17749, 53247, 159741, 301733, 479223, 905199, 1437669, 2715597, 4313007, 8146791, 12939021, 24440373, 73321119, 219963357]

約数ペア:

[(1, 219963357), (3, 73321119), (9, 24440373), (17, 12939021), (27, 8146791), (51, 4313007), (81, 2715597), (153, 1437669), (243, 905199), (459, 479223), (729, 301733), (1377, 159741), (4131, 53247), (12393, 17749)]