18661257

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5303}}^1$

素因数の和:5349

約数の個数: 24

約数和(自身を含む): 29787264

約数和(自身を除く): 11126007

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5303, 15909, 47727, 90151, 121969, 270453, 365907, 811359, 1097721, 2073473, 6220419, 18661257]

約数ペア:

[(1, 18661257), (3, 6220419), (9, 2073473), (17, 1097721), (23, 811359), (51, 365907), (69, 270453), (153, 121969), (207, 90151), (391, 47727), (1173, 15909), (3519, 5303)]