1781065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:129

約数の個数: 32

約数和(自身を含む): 2612736

約数和(自身を除く): 831671

約数列:

[1, 5, 11, 13, 47, 53, 55, 65, 143, 235, 265, 517, 583, 611, 689, 715, 2491, 2585, 2915, 3055, 3445, 6721, 7579, 12455, 27401, 32383, 33605, 37895, 137005, 161915, 356213, 1781065]

約数ペア:

[(1, 1781065), (5, 356213), (11, 161915), (13, 137005), (47, 37895), (53, 33605), (55, 32383), (65, 27401), (143, 12455), (235, 7579), (265, 6721), (517, 3445), (583, 3055), (611, 2915), (689, 2585), (715, 2491)]