28776675

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{8923}}^1$

素因数の和:8979

約数の個数: 24

約数和(自身を含む): 48689344

約数和(自身を除く): 19912669

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 8923, 26769, 44615, 133845, 223075, 383689, 669225, 1151067, 1918445, 5755335, 9592225, 28776675]

約数ペア:

[(1, 28776675), (3, 9592225), (5, 5755335), (15, 1918445), (25, 1151067), (43, 669225), (75, 383689), (129, 223075), (215, 133845), (645, 44615), (1075, 26769), (3225, 8923)]