28991295

素因数分解:

$3^2\times 5^1\times {\mathrm{631}}^1\times {\mathrm{1021}}^1$

素因数の和:1663

約数の個数: 24

約数和(自身を含む): 50380512

約数和(自身を除く): 21389217

約数列:

[1, 3, 5, 9, 15, 45, 631, 1021, 1893, 3063, 3155, 5105, 5679, 9189, 9465, 15315, 28395, 45945, 644251, 1932753, 3221255, 5798259, 9663765, 28991295]

約数ペア:

[(1, 28991295), (3, 9663765), (5, 5798259), (9, 3221255), (15, 1932753), (45, 644251), (631, 45945), (1021, 28395), (1893, 15315), (3063, 9465), (3155, 9189), (5105, 5679)]