28427685

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 55399680

約数和(自身を除く): 26971995

約数列:

[1, 3, 5, 11, 13, 15, 29, 33, 39, 55, 65, 87, 143, 145, 165, 195, 319, 377, 429, 435, 457, 715, 957, 1131, 1371, 1595, 1885, 2145, 2285, 4147, 4785, 5027, 5655, 5941, 6855, 12441, 13253, 15081, 17823, 20735, 25135, 29705, 39759, 62205, 65351, 66265, 75405, 89115, 145783, 172289, 196053, 198795, 326755, 437349, 516867, 728915, 861445, 980265, 1895179, 2186745, 2584335, 5685537, 9475895, 28427685]

約数ペア:

[(1, 28427685), (3, 9475895), (5, 5685537), (11, 2584335), (13, 2186745), (15, 1895179), (29, 980265), (33, 861445), (39, 728915), (55, 516867), (65, 437349), (87, 326755), (143, 198795), (145, 196053), (165, 172289), (195, 145783), (319, 89115), (377, 75405), (429, 66265), (435, 65351), (457, 62205), (715, 39759), (957, 29705), (1131, 25135), (1371, 20735), (1595, 17823), (1885, 15081), (2145, 13253), (2285, 12441), (4147, 6855), (4785, 5941), (5027, 5655)]