28955871

素因数分解:

$3^2\times 7^1\times {\mathrm{461}}^1\times {\mathrm{997}}^1$

素因数の和:1471

約数の個数: 24

約数和(自身を含む): 47951904

約数和(自身を除く): 18996033

約数列:

[1, 3, 7, 9, 21, 63, 461, 997, 1383, 2991, 3227, 4149, 6979, 8973, 9681, 20937, 29043, 62811, 459617, 1378851, 3217319, 4136553, 9651957, 28955871]

約数ペア:

[(1, 28955871), (3, 9651957), (7, 4136553), (9, 3217319), (21, 1378851), (63, 459617), (461, 62811), (997, 29043), (1383, 20937), (2991, 9681), (3227, 8973), (4149, 6979)]