205543359

素因数分解:

$3^3\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2659}}^1$

素因数の和:3084

約数の個数: 32

約数和(自身を含む): 348992000

約数和(自身を除く): 143448641

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 409, 1227, 2659, 2863, 3681, 7977, 8589, 11043, 18613, 23931, 25767, 55839, 71793, 77301, 167517, 502551, 1087531, 3262593, 7612717, 9787779, 22838151, 29363337, 68514453, 205543359]

約数ペア:

[(1, 205543359), (3, 68514453), (7, 29363337), (9, 22838151), (21, 9787779), (27, 7612717), (63, 3262593), (189, 1087531), (409, 502551), (1227, 167517), (2659, 77301), (2863, 71793), (3681, 55839), (7977, 25767), (8589, 23931), (11043, 18613)]