78845319

素因数分解:

$3^4\times 7^1\times {\mathrm{241}}^1\times {\mathrm{577}}^1$

素因数の和:837

約数の個数: 40

約数和(自身を含む): 135399968

約数和(自身を除く): 56554649

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 241, 567, 577, 723, 1687, 1731, 2169, 4039, 5061, 5193, 6507, 12117, 15183, 15579, 19521, 36351, 45549, 46737, 109053, 136647, 139057, 327159, 417171, 973399, 1251513, 2920197, 3754539, 8760591, 11263617, 26281773, 78845319]

約数ペア:

[(1, 78845319), (3, 26281773), (7, 11263617), (9, 8760591), (21, 3754539), (27, 2920197), (63, 1251513), (81, 973399), (189, 417171), (241, 327159), (567, 139057), (577, 136647), (723, 109053), (1687, 46737), (1731, 45549), (2169, 36351), (4039, 19521), (5061, 15579), (5193, 15183), (6507, 12117)]