71276961

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{178639}}^1$

素因数の和:178668

約数の個数: 16

約数和(自身を含む): 114329600

約数和(自身を除く): 43052639

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 178639, 535917, 1250473, 3394141, 3751419, 10182423, 23758987, 71276961]

約数ペア:

[(1, 71276961), (3, 23758987), (7, 10182423), (19, 3751419), (21, 3394141), (57, 1250473), (133, 535917), (399, 178639)]