280886325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{12959}}^1$

素因数の和:13006

約数の個数: 36

約数和(自身を含む): 493361280

約数和(自身を除く): 212474955

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 289, 425, 867, 1275, 1445, 4335, 7225, 12959, 21675, 38877, 64795, 194385, 220303, 323975, 660909, 971925, 1101515, 3304545, 3745151, 5507575, 11235453, 16522725, 18725755, 56177265, 93628775, 280886325]

約数ペア:

[(1, 280886325), (3, 93628775), (5, 56177265), (15, 18725755), (17, 16522725), (25, 11235453), (51, 5507575), (75, 3745151), (85, 3304545), (255, 1101515), (289, 971925), (425, 660909), (867, 323975), (1275, 220303), (1445, 194385), (4335, 64795), (7225, 38877), (12959, 21675)]