28974771

素因数分解:

$3^2\times 7^1\times {\mathrm{619}}^1\times {\mathrm{743}}^1$

素因数の和:1375

約数の個数: 24

約数和(自身を含む): 47973120

約数和(自身を除く): 18998349

約数列:

[1, 3, 7, 9, 21, 63, 619, 743, 1857, 2229, 4333, 5201, 5571, 6687, 12999, 15603, 38997, 46809, 459917, 1379751, 3219419, 4139253, 9658257, 28974771]

約数ペア:

[(1, 28974771), (3, 9658257), (7, 4139253), (9, 3219419), (21, 1379751), (63, 459917), (619, 46809), (743, 38997), (1857, 15603), (2229, 12999), (4333, 6687), (5201, 5571)]