205434579

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{19843}}^1$

素因数の和:19899

約数の個数: 32

約数和(自身を含む): 342904320

約数和(自身を除く): 137469741

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 3451, 10353, 19843, 59529, 138901, 337331, 416703, 575447, 1011993, 1726341, 2361317, 4028129, 7083951, 9782599, 12084387, 29347797, 68478193, 205434579]

約数ペア:

[(1, 205434579), (3, 68478193), (7, 29347797), (17, 12084387), (21, 9782599), (29, 7083951), (51, 4028129), (87, 2361317), (119, 1726341), (203, 1011993), (357, 575447), (493, 416703), (609, 337331), (1479, 138901), (3451, 59529), (10353, 19843)]