221792169

素因数分解:

$3^1\times {\mathrm{337}}^1\times {\mathrm{431}}^1\times {\mathrm{509}}^1$

素因数の和:1280

約数の個数: 16

約数和(自身を含む): 297872640

約数和(自身を除く): 76080471

約数列:

[1, 3, 337, 431, 509, 1011, 1293, 1527, 145247, 171533, 219379, 435741, 514599, 658137, 73930723, 221792169]

約数ペア:

[(1, 221792169), (3, 73930723), (337, 658137), (431, 514599), (509, 435741), (1011, 219379), (1293, 171533), (1527, 145247)]