213786375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{51827}}^1$

素因数の和:51856

約数の個数: 32

約数和(自身を含む): 388088064

約数和(自身を除く): 174301689

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 51827, 155481, 259135, 570097, 777405, 1295675, 1710291, 2850485, 3887025, 6478375, 8551455, 14252425, 19435125, 42757275, 71262125, 213786375]

約数ペア:

[(1, 213786375), (3, 71262125), (5, 42757275), (11, 19435125), (15, 14252425), (25, 8551455), (33, 6478375), (55, 3887025), (75, 2850485), (125, 1710291), (165, 1295675), (275, 777405), (375, 570097), (825, 259135), (1375, 155481), (4125, 51827)]