138909813

素因数分解:

$3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{15787}}^1$

素因数の和:16216

約数の個数: 16

約数和(自身を含む): 212190720

約数和(自身を除く): 73280907

約数列:

[1, 3, 7, 21, 419, 1257, 2933, 8799, 15787, 47361, 110509, 331527, 6614753, 19844259, 46303271, 138909813]

約数ペア:

[(1, 138909813), (3, 46303271), (7, 19844259), (21, 6614753), (419, 331527), (1257, 110509), (2933, 47361), (8799, 15787)]