249676815

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{4447}}^1$

素因数の和:4671

約数の個数: 32

約数和(自身を含む): 422737920

約数和(自身を除く): 173061105

約数列:

[1, 3, 5, 15, 19, 57, 95, 197, 285, 591, 985, 2955, 3743, 4447, 11229, 13341, 18715, 22235, 56145, 66705, 84493, 253479, 422465, 876059, 1267395, 2628177, 4380295, 13140885, 16645121, 49935363, 83225605, 249676815]

約数ペア:

[(1, 249676815), (3, 83225605), (5, 49935363), (15, 16645121), (19, 13140885), (57, 4380295), (95, 2628177), (197, 1267395), (285, 876059), (591, 422465), (985, 253479), (2955, 84493), (3743, 66705), (4447, 56145), (11229, 22235), (13341, 18715)]