1321036619

素因数分解:

$7^2\times {\mathrm{131}}^2\times {\mathrm{1571}}^1$

素因数の和:1847

約数の個数: 18

約数和(自身を含む): 1549521972

約数和(自身を除く): 228485353

約数列:

[1, 7, 49, 131, 917, 1571, 6419, 10997, 17161, 76979, 120127, 205801, 840889, 1440607, 10084249, 26959931, 188719517, 1321036619]

約数ペア:

[(1, 1321036619), (7, 188719517), (49, 26959931), (131, 10084249), (917, 1440607), (1571, 840889), (6419, 205801), (10997, 120127), (17161, 76979)]