28130361

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{6173}}^1$

素因数の和:6221

約数の個数: 24

約数和(自身を含む): 45045504

約数和(自身を除く): 16915143

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 4557, 6173, 18519, 43211, 129633, 191363, 302477, 574089, 907431, 1339541, 4018623, 9376787, 28130361]

約数ペア:

[(1, 28130361), (3, 9376787), (7, 4018623), (21, 1339541), (31, 907431), (49, 574089), (93, 302477), (147, 191363), (217, 129633), (651, 43211), (1519, 18519), (4557, 6173)]