1261975

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1$

素因数の和:387

約数の個数: 24

約数和(自身を含む): 1843632

約数和(自身を除く): 581657

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 353, 715, 1765, 3575, 3883, 4589, 8825, 19415, 22945, 50479, 97075, 114725, 252395, 1261975]

約数ペア:

[(1, 1261975), (5, 252395), (11, 114725), (13, 97075), (25, 50479), (55, 22945), (65, 19415), (143, 8825), (275, 4589), (325, 3883), (353, 3575), (715, 1765)]