271439985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{2729}}^1$

素因数の和:3105

約数の個数: 32

約数和(自身を含む): 458640000

約数和(自身を除く): 187200015

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 349, 1047, 1745, 2729, 5235, 6631, 8187, 13645, 19893, 33155, 40935, 51851, 99465, 155553, 259255, 777765, 952421, 2857263, 4762105, 14286315, 18095999, 54287997, 90479995, 271439985]

約数ペア:

[(1, 271439985), (3, 90479995), (5, 54287997), (15, 18095999), (19, 14286315), (57, 4762105), (95, 2857263), (285, 952421), (349, 777765), (1047, 259255), (1745, 155553), (2729, 99465), (5235, 51851), (6631, 40935), (8187, 33155), (13645, 19893)]