71193087

素因数分解:

$3^4\times 7^1\times {\mathrm{241}}^1\times {\mathrm{521}}^1$

素因数の和:781

約数の個数: 40

約数和(自身を含む): 122281632

約数和(自身を除く): 51088545

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 241, 521, 567, 723, 1563, 1687, 2169, 3647, 4689, 5061, 6507, 10941, 14067, 15183, 19521, 32823, 42201, 45549, 98469, 125561, 136647, 295407, 376683, 878927, 1130049, 2636781, 3390147, 7910343, 10170441, 23731029, 71193087]

約数ペア:

[(1, 71193087), (3, 23731029), (7, 10170441), (9, 7910343), (21, 3390147), (27, 2636781), (63, 1130049), (81, 878927), (189, 376683), (241, 295407), (521, 136647), (567, 125561), (723, 98469), (1563, 45549), (1687, 42201), (2169, 32823), (3647, 19521), (4689, 15183), (5061, 14067), (6507, 10941)]