28782291

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{1571}}^1$

素因数の和:1802

約数の個数: 16

約数和(自身を含む): 39840768

約数和(自身を除く): 11058477

約数列:

[1, 3, 31, 93, 197, 591, 1571, 4713, 6107, 18321, 48701, 146103, 309487, 928461, 9594097, 28782291]

約数ペア:

[(1, 28782291), (3, 9594097), (31, 928461), (93, 309487), (197, 146103), (591, 48701), (1571, 18321), (4713, 6107)]