30071979

素因数分解:

$3^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:179

約数の個数: 56

約数和(自身を含む): 52883712

約数和(自身を除く): 22811733

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 81, 83, 189, 213, 243, 249, 497, 567, 581, 639, 729, 747, 1491, 1701, 1743, 1917, 2241, 4473, 5103, 5229, 5751, 5893, 6723, 13419, 15687, 17253, 17679, 20169, 40257, 41251, 47061, 51759, 53037, 60507, 120771, 123753, 141183, 159111, 362313, 371259, 423549, 477333, 1113777, 1431999, 3341331, 4295997, 10023993, 30071979]

約数ペア:

[(1, 30071979), (3, 10023993), (7, 4295997), (9, 3341331), (21, 1431999), (27, 1113777), (63, 477333), (71, 423549), (81, 371259), (83, 362313), (189, 159111), (213, 141183), (243, 123753), (249, 120771), (497, 60507), (567, 53037), (581, 51759), (639, 47061), (729, 41251), (747, 40257), (1491, 20169), (1701, 17679), (1743, 17253), (1917, 15687), (2241, 13419), (4473, 6723), (5103, 5893), (5229, 5751)]