419991

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:127

約数の個数: 24

約数和(自身を含む): 670320

約数和(自身を除く): 250329

約数列:

[1, 3, 11, 13, 33, 39, 89, 121, 143, 267, 363, 429, 979, 1157, 1573, 2937, 3471, 4719, 10769, 12727, 32307, 38181, 139997, 419991]

約数ペア:

[(1, 419991), (3, 139997), (11, 38181), (13, 32307), (33, 12727), (39, 10769), (89, 4719), (121, 3471), (143, 2937), (267, 1573), (363, 1157), (429, 979)]