1021575

素因数分解:

$3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 1727568

約数和(自身を除く): 705993

約数列:

[1, 3, 5, 15, 25, 53, 75, 159, 257, 265, 771, 795, 1285, 1325, 3855, 3975, 6425, 13621, 19275, 40863, 68105, 204315, 340525, 1021575]

約数ペア:

[(1, 1021575), (3, 340525), (5, 204315), (15, 68105), (25, 40863), (53, 19275), (75, 13621), (159, 6425), (257, 3975), (265, 3855), (771, 1325), (795, 1285)]