71892219

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{180181}}^1$

素因数の和:180210

約数の個数: 16

約数和(自身を含む): 115316480

約数和(自身を除く): 43424261

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 180181, 540543, 1261267, 3423439, 3783801, 10270317, 23964073, 71892219]

約数ペア:

[(1, 71892219), (3, 23964073), (7, 10270317), (19, 3783801), (21, 3423439), (57, 1261267), (133, 540543), (399, 180181)]