29881509

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{74891}}^1$

素因数の和:74920

約数の個数: 16

約数和(自身を含む): 47930880

約数和(自身を除く): 18049371

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 74891, 224673, 524237, 1422929, 1572711, 4268787, 9960503, 29881509]

約数ペア:

[(1, 29881509), (3, 9960503), (7, 4268787), (19, 1572711), (21, 1422929), (57, 524237), (133, 224673), (399, 74891)]