261796647

素因数分解:

$3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{29753}}^1$

素因数の和:30182

約数の個数: 16

約数和(自身を含む): 399893760

約数和(自身を除く): 138097113

約数列:

[1, 3, 7, 21, 419, 1257, 2933, 8799, 29753, 89259, 208271, 624813, 12466507, 37399521, 87265549, 261796647]

約数ペア:

[(1, 261796647), (3, 87265549), (7, 37399521), (21, 12466507), (419, 624813), (1257, 208271), (2933, 89259), (8799, 29753)]