28908159

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{6173}}^1$

素因数の和:6406

約数の個数: 16

約数和(自身を含む): 44255232

約数和(自身を除く): 15347073

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 6173, 18519, 43211, 129633, 1376579, 4129737, 9636053, 28908159]

約数ペア:

[(1, 28908159), (3, 9636053), (7, 4129737), (21, 1376579), (223, 129633), (669, 43211), (1561, 18519), (4683, 6173)]