28203441

素因数分解:

$3^1\times 7^1\times {\mathrm{1091}}^1\times {\mathrm{1231}}^1$

素因数の和:2332

約数の個数: 16

約数和(自身を含む): 43051008

約数和(自身を除く): 14847567

約数列:

[1, 3, 7, 21, 1091, 1231, 3273, 3693, 7637, 8617, 22911, 25851, 1343021, 4029063, 9401147, 28203441]

約数ペア:

[(1, 28203441), (3, 9401147), (7, 4029063), (21, 1343021), (1091, 25851), (1231, 22911), (3273, 8617), (3693, 7637)]