139379931

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{419}}^1\times {\mathrm{1607}}^1$

素因数の和:2055

約数の個数: 24

約数和(自身を含む): 210712320

約数和(自身を除く): 71332389

約数列:

[1, 3, 9, 23, 69, 207, 419, 1257, 1607, 3771, 4821, 9637, 14463, 28911, 36961, 86733, 110883, 332649, 673333, 2019999, 6059997, 15486659, 46459977, 139379931]

約数ペア:

[(1, 139379931), (3, 46459977), (9, 15486659), (23, 6059997), (69, 2019999), (207, 673333), (419, 332649), (1257, 110883), (1607, 86733), (3771, 36961), (4821, 28911), (9637, 14463)]