51108681

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 78357888

約数和(自身を除く): 27249207

約数列:

[1, 3, 13, 17, 39, 51, 157, 221, 471, 491, 663, 1473, 2041, 2669, 6123, 6383, 8007, 8347, 19149, 25041, 34697, 77087, 104091, 108511, 231261, 325533, 1002131, 1310479, 3006393, 3931437, 17036227, 51108681]

約数ペア:

[(1, 51108681), (3, 17036227), (13, 3931437), (17, 3006393), (39, 1310479), (51, 1002131), (157, 325533), (221, 231261), (471, 108511), (491, 104091), (663, 77087), (1473, 34697), (2041, 25041), (2669, 19149), (6123, 8347), (6383, 8007)]