172045209

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{431191}}^1$

素因数の和:431220

約数の個数: 16

約数和(自身を含む): 275962880

約数和(自身を除く): 103917671

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 431191, 1293573, 3018337, 8192629, 9055011, 24577887, 57348403, 172045209]

約数ペア:

[(1, 172045209), (3, 57348403), (7, 24577887), (19, 9055011), (21, 8192629), (57, 3018337), (133, 1293573), (399, 431191)]