13356981

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 23063040

約数和(自身を除く): 9706059

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 243, 263, 297, 513, 627, 789, 891, 1539, 1881, 2367, 2673, 2893, 4617, 4997, 5643, 7101, 8679, 14991, 16929, 21303, 26037, 44973, 50787, 54967, 63909, 78111, 134919, 164901, 234333, 404757, 494703, 702999, 1214271, 1484109, 4452327, 13356981]

約数ペア:

[(1, 13356981), (3, 4452327), (9, 1484109), (11, 1214271), (19, 702999), (27, 494703), (33, 404757), (57, 234333), (81, 164901), (99, 134919), (171, 78111), (209, 63909), (243, 54967), (263, 50787), (297, 44973), (513, 26037), (627, 21303), (789, 16929), (891, 14991), (1539, 8679), (1881, 7101), (2367, 5643), (2673, 4997), (2893, 4617)]