71912967

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{180233}}^1$

素因数の和:180262

約数の個数: 16

約数和(自身を含む): 115349760

約数和(自身を除く): 43436793

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 180233, 540699, 1261631, 3424427, 3784893, 10273281, 23970989, 71912967]

約数ペア:

[(1, 71912967), (3, 23970989), (7, 10273281), (19, 3784893), (21, 3424427), (57, 1261631), (133, 540699), (399, 180233)]