1340794947

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{1381}}^1\times {\mathrm{19037}}^1$

素因数の和:20438

約数の個数: 16

約数和(自身を含む): 1894357152

約数和(自身を除く): 553562205

約数列:

[1, 3, 17, 51, 1381, 4143, 19037, 23477, 57111, 70431, 323629, 970887, 26290097, 78870291, 446931649, 1340794947]

約数ペア:

[(1, 1340794947), (3, 446931649), (17, 78870291), (51, 26290097), (1381, 970887), (4143, 323629), (19037, 70431), (23477, 57111)]