917995971

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{641}}^1\times {\mathrm{28081}}^1$

素因数の和:28742

約数の個数: 16

約数和(自身を含む): 1298062368

約数和(自身を除く): 380066397

約数列:

[1, 3, 17, 51, 641, 1923, 10897, 28081, 32691, 84243, 477377, 1432131, 17999921, 53999763, 305998657, 917995971]

約数ペア:

[(1, 917995971), (3, 305998657), (17, 53999763), (51, 17999921), (641, 1432131), (1923, 477377), (10897, 84243), (28081, 32691)]