28948795827

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72553373}}^1$

素因数の和:72553402

約数の個数: 16

約数和(自身を含む): 46434159360

約数和(自身を除く): 17485363533

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 72553373, 217660119, 507873611, 1378514087, 1523620833, 4135542261, 9649598609, 28948795827]

約数ペア:

[(1, 28948795827), (3, 9649598609), (7, 4135542261), (19, 1523620833), (21, 1378514087), (57, 507873611), (133, 217660119), (399, 72553373)]