215529027

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{540173}}^1$

素因数の和:540202

約数の個数: 16

約数和(自身を含む): 345711360

約数和(自身を除く): 130182333

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 540173, 1620519, 3781211, 10263287, 11343633, 30789861, 71843009, 215529027]

約数ペア:

[(1, 215529027), (3, 71843009), (7, 30789861), (19, 11343633), (21, 10263287), (57, 3781211), (133, 1620519), (399, 540173)]