290764251

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{19219}}^1$

素因数の和:19307

約数の個数: 18

約数和(自身を含む): 430508780

約数和(自身を除く): 139744529

約数列:

[1, 3, 9, 41, 123, 369, 1681, 5043, 15129, 19219, 57657, 172971, 787979, 2363937, 7091811, 32307139, 96921417, 290764251]

約数ペア:

[(1, 290764251), (3, 96921417), (9, 32307139), (41, 7091811), (123, 2363937), (369, 787979), (1681, 172971), (5043, 57657), (15129, 19219)]