68859987

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{449}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 107712000

約数和(自身を除く): 38852013

約数列:

[1, 3, 7, 21, 67, 109, 201, 327, 449, 469, 763, 1347, 1407, 2289, 3143, 7303, 9429, 21909, 30083, 48941, 51121, 90249, 146823, 153363, 210581, 342587, 631743, 1027761, 3279047, 9837141, 22953329, 68859987]

約数ペア:

[(1, 68859987), (3, 22953329), (7, 9837141), (21, 3279047), (67, 1027761), (109, 631743), (201, 342587), (327, 210581), (449, 153363), (469, 146823), (763, 90249), (1347, 51121), (1407, 48941), (2289, 30083), (3143, 21909), (7303, 9429)]