28734993

素因数分解:

$3^7\times 7^1\times {\mathrm{1877}}^1$

素因数の和:1905

約数の個数: 32

約数和(自身を含む): 49278720

約数和(自身を除く): 20543727

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 1877, 2187, 5103, 5631, 13139, 15309, 16893, 39417, 50679, 118251, 152037, 354753, 456111, 1064259, 1368333, 3192777, 4104999, 9578331, 28734993]

約数ペア:

[(1, 28734993), (3, 9578331), (7, 4104999), (9, 3192777), (21, 1368333), (27, 1064259), (63, 456111), (81, 354753), (189, 152037), (243, 118251), (567, 50679), (729, 39417), (1701, 16893), (1877, 15309), (2187, 13139), (5103, 5631)]