253901283

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 355170816

約数和(自身を除く): 101269533

約数列:

[1, 3, 43, 97, 103, 129, 197, 291, 309, 591, 4171, 4429, 8471, 9991, 12513, 13287, 19109, 20291, 25413, 29973, 57327, 60873, 429613, 821687, 872513, 1288839, 1968227, 2465061, 2617539, 5904681, 84633761, 253901283]

約数ペア:

[(1, 253901283), (3, 84633761), (43, 5904681), (97, 2617539), (103, 2465061), (129, 1968227), (197, 1288839), (291, 872513), (309, 821687), (591, 429613), (4171, 60873), (4429, 57327), (8471, 29973), (9991, 25413), (12513, 20291), (13287, 19109)]