81878163

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{27103}}^1$

素因数の和:27178

約数の個数: 16

約数和(自身を含む): 117089280

約数和(自身を除く): 35211117

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 27103, 81309, 514957, 1436459, 1544871, 4309377, 27292721, 81878163]

約数ペア:

[(1, 81878163), (3, 27292721), (19, 4309377), (53, 1544871), (57, 1436459), (159, 514957), (1007, 81309), (3021, 27103)]