821271

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 1225728

約数和(自身を除く): 404457

約数列:

[1, 3, 11, 33, 41, 123, 451, 607, 1353, 1821, 6677, 20031, 24887, 74661, 273757, 821271]

約数ペア:

[(1, 821271), (3, 273757), (11, 74661), (33, 24887), (41, 20031), (123, 6677), (451, 1821), (607, 1353)]