81432505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6823}}^1$

素因数の和:6877

約数の個数: 32

約数和(自身を含む): 125779968

約数和(自身を除く): 44347463

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1705, 2387, 6823, 11935, 34115, 47761, 75053, 211513, 238805, 375265, 525371, 1057565, 1480591, 2326643, 2626855, 7402955, 11633215, 16286501, 81432505]

約数ペア:

[(1, 81432505), (5, 16286501), (7, 11633215), (11, 7402955), (31, 2626855), (35, 2326643), (55, 1480591), (77, 1057565), (155, 525371), (217, 375265), (341, 238805), (385, 211513), (1085, 75053), (1705, 47761), (2387, 34115), (6823, 11935)]