209391819

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{9241}}^1$

素因数の和:9347

約数の個数: 32

約数和(自身を含む): 347794944

約数和(自身を除く): 138403125

約数列:

[1, 3, 7, 13, 21, 39, 83, 91, 249, 273, 581, 1079, 1743, 3237, 7553, 9241, 22659, 27723, 64687, 120133, 194061, 360399, 767003, 840931, 2301009, 2522793, 5369021, 9971039, 16107063, 29913117, 69797273, 209391819]

約数ペア:

[(1, 209391819), (3, 69797273), (7, 29913117), (13, 16107063), (21, 9971039), (39, 5369021), (83, 2522793), (91, 2301009), (249, 840931), (273, 767003), (581, 360399), (1079, 194061), (1743, 120133), (3237, 64687), (7553, 27723), (9241, 22659)]