28854987

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{17393}}^1$

素因数の和:17482

約数の個数: 16

約数和(自身を含む): 44528640

約数和(自身を除く): 15673653

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 17393, 52179, 121751, 365253, 1374047, 4122141, 9618329, 28854987]

約数ペア:

[(1, 28854987), (3, 9618329), (7, 4122141), (21, 1374047), (79, 365253), (237, 121751), (553, 52179), (1659, 17393)]