165722921

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 221005440

約数和(自身を除く): 55282519

約数列:

[1, 7, 13, 19, 73, 91, 101, 133, 169, 247, 511, 707, 949, 1183, 1313, 1387, 1729, 1919, 3211, 6643, 7373, 9191, 9709, 12337, 13433, 17069, 18031, 22477, 24947, 51611, 86359, 95849, 119483, 126217, 140087, 174629, 234403, 324311, 670943, 980609, 1246037, 1640821, 1821131, 2270177, 8722259, 12747917, 23674703, 165722921]

約数ペア:

[(1, 165722921), (7, 23674703), (13, 12747917), (19, 8722259), (73, 2270177), (91, 1821131), (101, 1640821), (133, 1246037), (169, 980609), (247, 670943), (511, 324311), (707, 234403), (949, 174629), (1183, 140087), (1313, 126217), (1387, 119483), (1729, 95849), (1919, 86359), (3211, 51611), (6643, 24947), (7373, 22477), (9191, 18031), (9709, 17069), (12337, 13433)]