2001551181

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{9973}}^1$

素因数の和:10505

約数の個数: 32

約数和(自身を含む): 3217213440

約数和(自身を除く): 1215662259

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 503, 1509, 3521, 9557, 9973, 10563, 28671, 29919, 66899, 69811, 189487, 200697, 209433, 568461, 1326409, 3979227, 5016419, 15049257, 35114933, 95311961, 105344799, 285935883, 667183727, 2001551181]

約数ペア:

[(1, 2001551181), (3, 667183727), (7, 285935883), (19, 105344799), (21, 95311961), (57, 35114933), (133, 15049257), (399, 5016419), (503, 3979227), (1509, 1326409), (3521, 568461), (9557, 209433), (9973, 200697), (10563, 189487), (28671, 69811), (29919, 66899)]