257953257

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73303}}^1$

素因数の和:73349

約数の個数: 24

約数和(自身を含む): 411675264

約数和(自身を除く): 153722007

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 73303, 219909, 659727, 1246151, 1685969, 3738453, 5057907, 11215359, 15173721, 28661473, 85984419, 257953257]

約数ペア:

[(1, 257953257), (3, 85984419), (9, 28661473), (17, 15173721), (23, 11215359), (51, 5057907), (69, 3738453), (153, 1685969), (207, 1246151), (391, 659727), (1173, 219909), (3519, 73303)]