289779921

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{773}}^1\times {\mathrm{1811}}^1$

素因数の和:2613

約数の個数: 24

約数和(自身を含む): 437576256

約数和(自身を除く): 147796335

約数列:

[1, 3, 9, 23, 69, 207, 773, 1811, 2319, 5433, 6957, 16299, 17779, 41653, 53337, 124959, 160011, 374877, 1399903, 4199709, 12599127, 32197769, 96593307, 289779921]

約数ペア:

[(1, 289779921), (3, 96593307), (9, 32197769), (23, 12599127), (69, 4199709), (207, 1399903), (773, 374877), (1811, 160011), (2319, 124959), (5433, 53337), (6957, 41653), (16299, 17779)]