13987971

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 40

約数和(自身を含む): 22506000

約数和(自身を除く): 8518029

約数列:

[1, 3, 9, 19, 27, 57, 61, 81, 149, 171, 183, 447, 513, 549, 1159, 1341, 1539, 1647, 2831, 3477, 4023, 4941, 8493, 9089, 10431, 12069, 25479, 27267, 31293, 76437, 81801, 93879, 172691, 229311, 245403, 518073, 736209, 1554219, 4662657, 13987971]

約数ペア:

[(1, 13987971), (3, 4662657), (9, 1554219), (19, 736209), (27, 518073), (57, 245403), (61, 229311), (81, 172691), (149, 93879), (171, 81801), (183, 76437), (447, 31293), (513, 27267), (549, 25479), (1159, 12069), (1341, 10431), (1539, 9089), (1647, 8493), (2831, 4941), (3477, 4023)]