13781691

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{947}}^1$

素因数の和:981

約数の個数: 48

約数和(自身を含む): 25937280

約数和(自身を除く): 12155589

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 441, 539, 693, 947, 1323, 1617, 2079, 2841, 4851, 6629, 8523, 10417, 14553, 19887, 25569, 31251, 46403, 59661, 72919, 93753, 139209, 178983, 218757, 281259, 417627, 510433, 656271, 1252881, 1531299, 1968813, 4593897, 13781691]

約数ペア:

[(1, 13781691), (3, 4593897), (7, 1968813), (9, 1531299), (11, 1252881), (21, 656271), (27, 510433), (33, 417627), (49, 281259), (63, 218757), (77, 178983), (99, 139209), (147, 93753), (189, 72919), (231, 59661), (297, 46403), (441, 31251), (539, 25569), (693, 19887), (947, 14553), (1323, 10417), (1617, 8523), (2079, 6629), (2841, 4851)]