28711473

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{6131}}^1$

素因数の和:6364

約数の個数: 16

約数和(自身を含む): 43954176

約数和(自身を除く): 15242703

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 6131, 18393, 42917, 128751, 1367213, 4101639, 9570491, 28711473]

約数ペア:

[(1, 28711473), (3, 9570491), (7, 4101639), (21, 1367213), (223, 128751), (669, 42917), (1561, 18393), (4683, 6131)]