720857553

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{8731}}^1$

素因数の和:8849

約数の個数: 32

約数和(自身を含む): 1085562240

約数和(自身を除く): 364704687

約数列:

[1, 3, 13, 29, 39, 73, 87, 219, 377, 949, 1131, 2117, 2847, 6351, 8731, 26193, 27521, 82563, 113503, 253199, 340509, 637363, 759597, 1912089, 3291587, 8285719, 9874761, 18483527, 24857157, 55450581, 240285851, 720857553]

約数ペア:

[(1, 720857553), (3, 240285851), (13, 55450581), (29, 24857157), (39, 18483527), (73, 9874761), (87, 8285719), (219, 3291587), (377, 1912089), (949, 759597), (1131, 637363), (2117, 340509), (2847, 253199), (6351, 113503), (8731, 82563), (26193, 27521)]