1906821

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:100

約数の個数: 48

約数和(自身を含む): 3494400

約数和(自身を除く): 1587579

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 59, 63, 81, 133, 171, 177, 189, 243, 399, 413, 513, 531, 567, 1121, 1197, 1239, 1539, 1593, 1701, 3363, 3591, 3717, 4617, 4779, 7847, 10089, 10773, 11151, 14337, 23541, 30267, 32319, 33453, 70623, 90801, 100359, 211869, 272403, 635607, 1906821]

約数ペア:

[(1, 1906821), (3, 635607), (7, 272403), (9, 211869), (19, 100359), (21, 90801), (27, 70623), (57, 33453), (59, 32319), (63, 30267), (81, 23541), (133, 14337), (171, 11151), (177, 10773), (189, 10089), (243, 7847), (399, 4779), (413, 4617), (513, 3717), (531, 3591), (567, 3363), (1121, 1701), (1197, 1593), (1239, 1539)]